<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Cosmos Unlocked</title><description>A self-updating guide to the universe: a new hidden space fact every day, plus live rocket launches, asteroid flybys, and NASA’s picture of the day.</description><link>https://fd15e571.space-site-80d.pages.dev/</link><item><title>Voyager Is the Farthest Human Object Ever — and It Still Calls Home Daily</title><link>https://fd15e571.space-site-80d.pages.dev/facts/golden-record-location/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/golden-record-location/</guid><description>Voyager 1 is over 24 billion km away, so far its radio signal takes 22+ hours to arrive, sent by a transmitter weaker than a refrigerator bulb.</description><pubDate>Sun, 09 Aug 2026 00:00:00 GMT</pubDate></item><item><title>You Never See the Sun Where It Actually Is — Only Where It Was 8 Minutes Ago</title><link>https://fd15e571.space-site-80d.pages.dev/facts/light-speed-delay/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/light-speed-delay/</guid><description>Light takes time to travel, so every glance into space is a glance into the past. The night sky shows stars as they were years, even millennia, ago.</description><pubDate>Sat, 08 Aug 2026 00:00:00 GMT</pubDate></item><item><title>We Can Now Hear the Universe — by Detecting Ripples in Spacetime Itself</title><link>https://fd15e571.space-site-80d.pages.dev/facts/gravitational-waves/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/gravitational-waves/</guid><description>In 2015 we caught two black holes colliding a billion light-years away, wobbling spacetime by less than the width of a proton. Einstein predicted it a century earlier.</description><pubDate>Fri, 07 Aug 2026 00:00:00 GMT</pubDate></item><item><title>In 1859 a Solar Storm Set Telegraph Offices on Fire — the Next One Could Cost Trillions</title><link>https://fd15e571.space-site-80d.pages.dev/facts/solar-flares-carrington/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/solar-flares-carrington/</guid><description>The Carrington Event made auroras glow over the tropics and shocked telegraph operators. A repeat today could cripple power grids and satellites worldwide.</description><pubDate>Thu, 06 Aug 2026 00:00:00 GMT</pubDate></item><item><title>Billions of Planets Are Drifting Through the Galaxy With No Star at All</title><link>https://fd15e571.space-site-80d.pages.dev/facts/rogue-planets/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/rogue-planets/</guid><description>Rogue planets wander interstellar space in permanent darkness, flung from their birth systems. There may be more of them than there are stars in the Milky Way.</description><pubDate>Wed, 05 Aug 2026 00:00:00 GMT</pubDate></item><item><title>Life on Earth Thrives in Acid, Nuclear Reactors, and Boiling Vents</title><link>https://fd15e571.space-site-80d.pages.dev/facts/extremophiles-life-limits/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/extremophiles-life-limits/</guid><description>Microbes live in places that should be lethal: boiling acid, nuclear waste, rock kilometers underground. If life is this stubborn here, the universe looks friendlier.</description><pubDate>Tue, 04 Aug 2026 00:00:00 GMT</pubDate></item><item><title>Before Humans, We Sent Fruit Flies, a Dog, and Two Tortoises Into Space</title><link>https://fd15e571.space-site-80d.pages.dev/facts/laika-first-animals/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/laika-first-animals/</guid><description>The first Earthlings in space weren&apos;t astronauts. Fruit flies rode a rocket in 1947, a dog orbited in 1957, and tortoises looped the Moon before any human did.</description><pubDate>Mon, 03 Aug 2026 00:00:00 GMT</pubDate></item><item><title>A Dying Star Can Briefly Outshine Its Entire Galaxy of 100 Billion Stars</title><link>https://fd15e571.space-site-80d.pages.dev/facts/supernova-brighter-than-galaxy/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/supernova-brighter-than-galaxy/</guid><description>When a massive star explodes as a supernova, it can shine brighter than all the other stars in its galaxy combined — and forge the elements inside you.</description><pubDate>Sun, 02 Aug 2026 00:00:00 GMT</pubDate></item><item><title>The Andromeda Galaxy Is on a Collision Course With the Milky Way</title><link>https://fd15e571.space-site-80d.pages.dev/facts/andromeda-collision/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/andromeda-collision/</guid><description>Our galaxy and Andromeda are closing at 400,000 km/h and will merge in about 4.5 billion years. Yet not a single star is likely to collide.</description><pubDate>Sat, 01 Aug 2026 00:00:00 GMT</pubDate></item><item><title>Saturn&apos;s Moon Titan Has Rivers, Rain, and Seas — Made of Liquid Methane</title><link>https://fd15e571.space-site-80d.pages.dev/facts/titan-methane-lakes/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/titan-methane-lakes/</guid><description>Titan is the only other world with liquid on its surface. But its lakes are freezing methane, its rocks are ice, and its rain falls in slow motion.</description><pubDate>Fri, 31 Jul 2026 00:00:00 GMT</pubDate></item><item><title>The Hubble Telescope Launched Nearly Blind — and a Daring Repair Saved It</title><link>https://fd15e571.space-site-80d.pages.dev/facts/hubble-telescope-launch/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/hubble-telescope-launch/</guid><description>Hubble&apos;s mirror was ground wrong by 1/50th the width of a hair, blurring every image. Astronauts flew up and fitted the telescope with &apos;glasses&apos; in orbit.</description><pubDate>Thu, 30 Jul 2026 00:00:00 GMT</pubDate></item><item><title>There&apos;s a Star-Sized Diamond in Space Named After a Beatles Song</title><link>https://fd15e571.space-site-80d.pages.dev/facts/white-dwarf-diamond/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/white-dwarf-diamond/</guid><description>A white dwarf 50 light-years away is a crystallized carbon core — essentially a diamond the size of a planet. Astronomers nicknamed it Lucy.</description><pubDate>Wed, 29 Jul 2026 00:00:00 GMT</pubDate></item><item><title>The Sun Is 99.86% of the Entire Solar System — Everything Else Is Rounding Error</title><link>https://fd15e571.space-site-80d.pages.dev/facts/sun-mass-solar-system/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/sun-mass-solar-system/</guid><description>Every planet, moon, asteroid, and comet combined makes up less than 0.2% of the solar system&apos;s mass. The Sun is essentially the whole thing.</description><pubDate>Tue, 28 Jul 2026 00:00:00 GMT</pubDate></item><item><title>A Photo of Sky the Size of a Sand Grain — Holding Thousands of Galaxies</title><link>https://fd15e571.space-site-80d.pages.dev/facts/jwst-deep-field/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/jwst-deep-field/</guid><description>Webb&apos;s first deep field captured galaxies as they were 13 billion years ago, in a patch of sky you could block with a sand grain held at arm&apos;s length.</description><pubDate>Mon, 27 Jul 2026 00:00:00 GMT</pubDate></item><item><title>A Tiny Moon of Saturn Shoots Ocean Water 500 km Into Space</title><link>https://fd15e571.space-site-80d.pages.dev/facts/enceladus-geysers/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/enceladus-geysers/</guid><description>Enceladus is only 500 km wide but fires geysers of salty water from a hidden ocean — and Cassini flew through them and tasted the ingredients for life.</description><pubDate>Sun, 26 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Life on Earth Might Not Have Started on Earth — the Serious Science of Panspermia</title><link>https://fd15e571.space-site-80d.pages.dev/facts/panspermia/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/panspermia/</guid><description>Meteorites carry amino acids, microbes survive years in open space, and Mars rocks land here regularly. The idea that life traveled to Earth is real science.</description><pubDate>Sat, 25 Jul 2026 00:00:00 GMT</pubDate></item><item><title>NASA Deliberately Crashed a $3.9 Billion Spacecraft Into Saturn — to Protect Aliens</title><link>https://fd15e571.space-site-80d.pages.dev/facts/cassini-grand-finale/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/cassini-grand-finale/</guid><description>After 13 years at Saturn, Cassini was sent to a fiery death on purpose. The reason: two small moons that might harbor life were too precious to risk.</description><pubDate>Fri, 24 Jul 2026 00:00:00 GMT</pubDate></item><item><title>The First Pulsar Was Nicknamed LGM-1 — &apos;Little Green Men&apos; — for a Reason</title><link>https://fd15e571.space-site-80d.pages.dev/facts/pulsars-cosmic-lighthouses/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/pulsars-cosmic-lighthouses/</guid><description>When Jocelyn Bell found a signal pulsing every 1.3 seconds with clockwork precision, aliens were briefly a serious hypothesis. The truth was almost as strange.</description><pubDate>Thu, 23 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Dark Energy: The Unknown Force That Owns 68% of the Universe</title><link>https://fd15e571.space-site-80d.pages.dev/facts/dark-energy/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/dark-energy/</guid><description>In 1998, astronomers found the universe&apos;s expansion is speeding up, driven by something nobody understands. It&apos;s the majority of everything, and it&apos;s a mystery.</description><pubDate>Wed, 22 Jul 2026 00:00:00 GMT</pubDate></item><item><title>The Moon Is Leaving Us — 3.8 Centimeters Every Year</title><link>https://fd15e571.space-site-80d.pages.dev/facts/moon-drifting-away/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/moon-drifting-away/</guid><description>Laser mirrors left by Apollo astronauts prove the Moon drifts away yearly, slowing Earth&apos;s spin. Dinosaurs had 23-hour days; total eclipses are on borrowed time.</description><pubDate>Tue, 21 Jul 2026 00:00:00 GMT</pubDate></item><item><title>The Water You Drink Is Older Than the Sun</title><link>https://fd15e571.space-site-80d.pages.dev/facts/water-older-than-sun/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/water-older-than-sun/</guid><description>Up to half of Earth&apos;s water formed in interstellar space before the solar system existed. Your glass of water is a 4.6-billion-year-old antique — or older.</description><pubDate>Mon, 20 Jul 2026 00:00:00 GMT</pubDate></item><item><title>A $85 Million Helicopter Flew on Mars — Using a Processor From a 2014 Smartphone</title><link>https://fd15e571.space-site-80d.pages.dev/facts/ingenuity-mars-helicopter/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/ingenuity-mars-helicopter/</guid><description>Ingenuity was built for 5 test flights. It flew 72, survived a Martian winter, and proved aircraft can fly in another world&apos;s sky.</description><pubDate>Sun, 19 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Black Holes Slowly Evaporate — and the Last One Will Mark the End of Everything</title><link>https://fd15e571.space-site-80d.pages.dev/facts/black-holes-evaporate/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/black-holes-evaporate/</guid><description>Stephen Hawking proved black holes leak radiation and eventually explode. A black hole&apos;s full evaporation takes 10^67 years — the universe&apos;s longest goodbye.</description><pubDate>Sat, 18 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Old TVs Could Pick Up the Big Bang — You May Have Watched It as Static</title><link>https://fd15e571.space-site-80d.pages.dev/facts/cosmic-microwave-background/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/cosmic-microwave-background/</guid><description>About 1% of analog TV static came from the cosmic microwave background: 13.8-billion-year-old light from the universe&apos;s infancy, still filling every cubic meter of space.</description><pubDate>Fri, 17 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Uranus Rolls Around the Sun on Its Side — and We Think We Know Who to Blame</title><link>https://fd15e571.space-site-80d.pages.dev/facts/uranus-sideways-planet/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/uranus-sideways-planet/</guid><description>Every planet spins like a top. Uranus spins like a rolling ball, tipped 98 degrees, with 42-year-long polar nights. The prime suspect: an ancient mega-collision.</description><pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Astronauts on the ISS Watch 16 Sunrises Every Single Day</title><link>https://fd15e571.space-site-80d.pages.dev/facts/iss-sixteen-sunrises/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/iss-sixteen-sunrises/</guid><description>Orbiting at 28,000 km/h, the space station laps Earth every 90 minutes. Sunrise, sunset, repeat — 16 times before you&apos;ve had breakfast twice.</description><pubDate>Wed, 15 Jul 2026 00:00:00 GMT</pubDate></item><item><title>We&apos;ve Robbed Two Asteroids and Brought the Loot Back to Earth</title><link>https://fd15e571.space-site-80d.pages.dev/facts/asteroid-sample-missions/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/asteroid-sample-missions/</guid><description>Japan&apos;s Hayabusa2 and NASA&apos;s OSIRIS-REx punched, shot, and vacuumed pieces off asteroids — and the samples contained the building blocks of life.</description><pubDate>Tue, 14 Jul 2026 00:00:00 GMT</pubDate></item><item><title>There&apos;s a 4-Million-Sun Black Hole at the Center of Our Galaxy — and We Photographed It</title><link>https://fd15e571.space-site-80d.pages.dev/facts/sagittarius-a-star-photo/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/sagittarius-a-star-photo/</guid><description>Sagittarius A* anchors every orbit in the Milky Way, including yours. In 2022, a telescope the size of Earth captured its shadow.</description><pubDate>Mon, 13 Jul 2026 00:00:00 GMT</pubDate></item><item><title>The Universe Is Expanding — but Our Two Best Measurements Disagree</title><link>https://fd15e571.space-site-80d.pages.dev/facts/hubble-tension/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/hubble-tension/</guid><description>Measured from the early universe, expansion runs at 67; measured from nearby stars, 73. The &apos;Hubble tension&apos; hints our model of the cosmos is missing something.</description><pubDate>Sun, 12 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Jupiter&apos;s Great Red Spot — a Storm Older Than Your Country — Is Dying</title><link>https://fd15e571.space-site-80d.pages.dev/facts/great-red-spot-shrinking/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/great-red-spot-shrinking/</guid><description>A hurricane that could swallow Earth has raged for at least 190 years, maybe 350. In the last century it has shrunk by half, and no one knows why.</description><pubDate>Sat, 11 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Space Has a Smell — Astronauts Say It&apos;s Like Seared Steak and Hot Metal</title><link>https://fd15e571.space-site-80d.pages.dev/facts/smell-of-space/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/smell-of-space/</guid><description>Returning spacewalkers consistently report the same odor clinging to their suits: burnt steak, welding fumes, gunpowder. The universe has a scent.</description><pubDate>Fri, 10 Jul 2026 00:00:00 GMT</pubDate></item><item><title>The Most Humbling Photo Ever Taken Shows Earth as 0.12 Pixels</title><link>https://fd15e571.space-site-80d.pages.dev/facts/pale-blue-dot/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/pale-blue-dot/</guid><description>In 1990, Voyager 1 turned around and photographed Earth from 6 billion km away. Carl Sagan&apos;s words about that tiny dot became immortal.</description><pubDate>Thu, 09 Jul 2026 00:00:00 GMT</pubDate></item><item><title>SpaceX&apos;s Falcon 9 Was the First Orbital Rocket to Land Itself and Fly Again</title><link>https://fd15e571.space-site-80d.pages.dev/facts/falcon9-reusable-rocket/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/falcon9-reusable-rocket/</guid><description>Rockets were always single-use, burned up or dumped in the ocean after one flight. Falcon 9 broke that rule — landing upright and relaunching within weeks.</description><pubDate>Wed, 08 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Near a Black Hole, One Hour Can Equal Seven Years — and It&apos;s Not Fiction</title><link>https://fd15e571.space-site-80d.pages.dev/facts/time-dilation-black-holes/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/time-dilation-black-holes/</guid><description>Interstellar&apos;s famous time-slip is real physics. Clocks genuinely run slower in strong gravity — your GPS corrects for it every second.</description><pubDate>Wed, 08 Jul 2026 00:00:00 GMT</pubDate></item><item><title>The Boötes Void: A Hole in the Universe 330 Million Light-Years Wide</title><link>https://fd15e571.space-site-80d.pages.dev/facts/bootes-void/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/bootes-void/</guid><description>A region that should contain tens of thousands of galaxies holds barely 60. If the Milky Way sat at its center, we wouldn&apos;t have known other galaxies existed.</description><pubDate>Tue, 07 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Starship Is the Largest, Most Powerful Rocket Ever Built</title><link>https://fd15e571.space-site-80d.pages.dev/facts/starship-largest-rocket/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/starship-largest-rocket/</guid><description>SpaceX&apos;s Starship stands 121 metres tall and produces roughly twice the thrust of the Saturn V that sent astronauts to the Moon.</description><pubDate>Tue, 07 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Mercury Is Shrinking — the Whole Planet Is Getting Smaller</title><link>https://fd15e571.space-site-80d.pages.dev/facts/mercury-is-shrinking/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/mercury-is-shrinking/</guid><description>As its giant iron core cools, Mercury contracts, wrinkling its crust into cliffs hundreds of kilometers long. The planet has lost up to 14 km of diameter.</description><pubDate>Mon, 06 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Most Active Satellites Orbiting Earth Right Now Belong to One Company</title><link>https://fd15e571.space-site-80d.pages.dev/facts/starlink-megaconstellation/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/starlink-megaconstellation/</guid><description>SpaceX&apos;s Starlink has launched thousands of satellites since 2019, and they now make up the majority of all active satellites orbiting Earth.</description><pubDate>Mon, 06 Jul 2026 00:00:00 GMT</pubDate></item><item><title>In 2020, a Private Company Launched Humans to Orbit for the First Time</title><link>https://fd15e571.space-site-80d.pages.dev/facts/crew-dragon-commercial-spaceflight/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/crew-dragon-commercial-spaceflight/</guid><description>SpaceX&apos;s Crew Dragon ended nine years of the US relying on Russian rockets to reach the ISS — and became the first commercial spacecraft ever to carry astronauts.</description><pubDate>Sun, 05 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Jupiter&apos;s Moon Europa Hides More Water Than All of Earth&apos;s Oceans Combined</title><link>https://fd15e571.space-site-80d.pages.dev/facts/europa-hidden-ocean/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/europa-hidden-ocean/</guid><description>Beneath Europa&apos;s frozen shell sloshes a salty ocean up to 150 km deep — kept liquid for billions of years and considered the best place to look for alien life.</description><pubDate>Sun, 05 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Your Phone Is Millions of Times More Powerful Than the Computer That Landed on the Moon</title><link>https://fd15e571.space-site-80d.pages.dev/facts/apollo-11-computer/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/apollo-11-computer/</guid><description>The Apollo Guidance Computer had 4KB of RAM and less power than a musical greeting card — and it crashed five times during the Moon landing.</description><pubDate>Sat, 04 Jul 2026 00:00:00 GMT</pubDate></item><item><title>SpaceX Nearly Went Bankrupt — Its Fourth Rocket Launch Ever Saved the Company</title><link>https://fd15e571.space-site-80d.pages.dev/facts/falcon-1-near-failure/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/falcon-1-near-failure/</guid><description>The first three Falcon 1 launches all failed. With money almost gone, the fourth launch had to work — and it barely did, keeping SpaceX alive by weeks.</description><pubDate>Sat, 04 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Magnetars: Stars So Magnetic They Would Erase You From 1,000 km Away</title><link>https://fd15e571.space-site-80d.pages.dev/facts/magnetars/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/magnetars/</guid><description>A magnetar&apos;s field is a thousand trillion times stronger than Earth&apos;s — strong enough to distort atoms themselves. One once hit Earth from 50,000 light-years away.</description><pubDate>Fri, 03 Jul 2026 00:00:00 GMT</pubDate></item><item><title>SpaceX Caught a Falling Rocket Booster With Giant Mechanical Arms</title><link>https://fd15e571.space-site-80d.pages.dev/facts/super-heavy-booster-catch/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/super-heavy-booster-catch/</guid><description>Instead of landing legs, Starship&apos;s booster is caught in mid-air by the launch tower itself — arms nicknamed &apos;chopsticks&apos; snatching a 71-metre rocket from the sky.</description><pubDate>Fri, 03 Jul 2026 00:00:00 GMT</pubDate></item><item><title>A Car Is Currently Orbiting the Sun Because of a Rocket Test Launch</title><link>https://fd15e571.space-site-80d.pages.dev/facts/falcon-heavy-roadster/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/falcon-heavy-roadster/</guid><description>SpaceX needed a test payload for Falcon Heavy&apos;s 2018 debut, so it launched a Tesla Roadster with a spacesuit-wearing mannequin. It&apos;s still out there.</description><pubDate>Thu, 02 Jul 2026 00:00:00 GMT</pubDate></item><item><title>&apos;Oumuamua: The Interstellar Object That Accelerated on Its Way Out</title><link>https://fd15e571.space-site-80d.pages.dev/facts/oumuamua-interstellar-visitor/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/oumuamua-interstellar-visitor/</guid><description>The first visitor from another star system was shaped like nothing we&apos;d seen, had no comet tail — and sped up as it left. Scientists still argue about it.</description><pubDate>Thu, 02 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Mars Has a Volcano So Big You Couldn&apos;t See It While Standing On It</title><link>https://fd15e571.space-site-80d.pages.dev/facts/olympus-mons/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/olympus-mons/</guid><description>Olympus Mons is nearly three times the height of Everest and the size of an entire country — so wide its slopes would hide beyond your horizon.</description><pubDate>Wed, 01 Jul 2026 00:00:00 GMT</pubDate></item><item><title>One Company Now Launches More Rockets Than Most Countries&apos; Entire Space Programs</title><link>https://fd15e571.space-site-80d.pages.dev/facts/spacex-launch-cadence/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/spacex-launch-cadence/</guid><description>SpaceX has flown well over a hundred orbital launches in a single year — more than the combined output of nearly every national space agency on Earth.</description><pubDate>Wed, 01 Jul 2026 00:00:00 GMT</pubDate></item><item><title>The Universe Should Be Crawling With Aliens. So Where Is Everybody?</title><link>https://fd15e571.space-site-80d.pages.dev/facts/fermi-paradox/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/fermi-paradox/</guid><description>Billions of habitable planets, billions of years of time — yet total silence. The Fermi paradox is science&apos;s most unsettling unanswered question.</description><pubDate>Tue, 30 Jun 2026 00:00:00 GMT</pubDate></item><item><title>We Only Ever See One Side of the Moon — the Other Was Hidden Until 1959</title><link>https://fd15e571.space-site-80d.pages.dev/facts/moon-one-side/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/moon-one-side/</guid><description>The Moon is locked so that the same face always points at Earth. Humanity never saw its far side until a Soviet probe photographed it in 1959.</description><pubDate>Tue, 30 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Sunsets on Mars Are Blue — the Exact Opposite of Earth&apos;s</title><link>https://fd15e571.space-site-80d.pages.dev/facts/mars-blue-sunsets/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/mars-blue-sunsets/</guid><description>On Earth, sunsets glow red and the sky is blue. On Mars it&apos;s reversed: the daytime sky is butterscotch, and the Sun sets in a cool blue glow.</description><pubDate>Mon, 29 Jun 2026 00:00:00 GMT</pubDate></item><item><title>We Nailed a Map to Earth on a Spacecraft — Some Scientists Think It Was Reckless</title><link>https://fd15e571.space-site-80d.pages.dev/facts/pioneer-plaque/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/pioneer-plaque/</guid><description>The Pioneer plaque shows two humans and directions to our Sun, drawn for aliens. It sparked a debate that still rages: should we be advertising our address?</description><pubDate>Mon, 29 Jun 2026 00:00:00 GMT</pubDate></item><item><title>The Gold in Your Jewelry Was Forged in a Collision of Dead Stars</title><link>https://fd15e571.space-site-80d.pages.dev/facts/gold-from-neutron-stars/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/gold-from-neutron-stars/</guid><description>In 2017, humanity watched two neutron stars collide — and confirmed that gold, platinum, and uranium are made in these cataclysms, not in ordinary stars.</description><pubDate>Sun, 28 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Pluto Has a Giant Ice Heart — and We Only Saw It Clearly in 2015</title><link>https://fd15e571.space-site-80d.pages.dev/facts/pluto-heart/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/pluto-heart/</guid><description>For 85 years Pluto was a blurry dot. Then New Horizons flew past and revealed a world with a heart-shaped glacier, ice mountains, and possible hidden ocean.</description><pubDate>Sun, 28 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Something Invisible Is Pulling Our Entire Galaxy Toward It at 2 Million km/h</title><link>https://fd15e571.space-site-80d.pages.dev/facts/great-attractor/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/great-attractor/</guid><description>The Milky Way and thousands of neighboring galaxies are streaming toward a mysterious region called the Great Attractor — hidden behind our own galaxy&apos;s disk.</description><pubDate>Sat, 27 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Halley&apos;s Comet Returns Every 76 Years — Most People See It Once, If Ever</title><link>https://fd15e571.space-site-80d.pages.dev/facts/halleys-comet/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/halleys-comet/</guid><description>The most famous comet swings past Earth roughly once a human lifetime. It last appeared in 1986; the next visit is 2061. Mark Twain lived and died by it.</description><pubDate>Sat, 27 Jun 2026 00:00:00 GMT</pubDate></item><item><title>It Literally Rains Diamonds Inside Neptune and Uranus</title><link>https://fd15e571.space-site-80d.pages.dev/facts/diamond-rain-neptune/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/diamond-rain-neptune/</guid><description>Thousands of kilometers below the clouds of the ice giants, extreme pressure squeezes carbon into diamonds that fall like hail toward the core.</description><pubDate>Fri, 26 Jun 2026 00:00:00 GMT</pubDate></item><item><title>The Pillars of Creation Are So Far Away They May Already Be Gone</title><link>https://fd15e571.space-site-80d.pages.dev/facts/pillars-of-creation/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/pillars-of-creation/</guid><description>One of the most famous space images shows towering columns of gas birthing stars — 6,500 light-years away, so their light shows us the distant past.</description><pubDate>Fri, 26 Jun 2026 00:00:00 GMT</pubDate></item><item><title>A Nearby Star Could Explode Any Night — and Shine as Bright as the Moon</title><link>https://fd15e571.space-site-80d.pages.dev/facts/betelgeuse-supernova/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/betelgeuse-supernova/</guid><description>Betelgeuse, the red shoulder of Orion, is a dying giant. When it goes supernova, it&apos;ll be visible in daylight for weeks. It could happen tonight — or in 100,000 years.</description><pubDate>Thu, 25 Jun 2026 00:00:00 GMT</pubDate></item><item><title>The &apos;Habitable Zone&apos; Is Real — and Billions of Planets Sit Inside One</title><link>https://fd15e571.space-site-80d.pages.dev/facts/goldilocks-zone/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/goldilocks-zone/</guid><description>Around every star is a band where water can stay liquid. Our galaxy alone may hold billions of rocky planets orbiting inside this Goldilocks zone.</description><pubDate>Thu, 25 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Apollo 12 Was Struck by Lightning Twice — 52 Seconds Into Launch</title><link>https://fd15e571.space-site-80d.pages.dev/facts/apollo-12-lightning/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/apollo-12-lightning/</guid><description>The rocket&apos;s systems failed, alarms flooded the cockpit, and one flight controller&apos;s obscure command — &apos;SCE to AUX&apos; — saved the entire Moon mission.</description><pubDate>Wed, 24 Jun 2026 00:00:00 GMT</pubDate></item><item><title>That Faint Band Across a Dark Sky Is You Looking Into Our Own Galaxy</title><link>https://fd15e571.space-site-80d.pages.dev/facts/milky-way-band/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/milky-way-band/</guid><description>The Milky Way&apos;s glowing arch is the combined light of hundreds of billions of stars — our galaxy seen from the inside. A third of humanity can no longer see it.</description><pubDate>Wed, 24 Jun 2026 00:00:00 GMT</pubDate></item><item><title>The Largest Known Black Hole Could Swallow Our Solar System Whole</title><link>https://fd15e571.space-site-80d.pages.dev/facts/biggest-black-hole-ton-618/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/biggest-black-hole-ton-618/</guid><description>TON 618 weighs as much as 66 billion Suns. Its event horizon is so vast that light itself needs days to cross a region our entire solar system would vanish into.</description><pubDate>Tue, 23 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Saturn Is Slowly Losing Its Rings — They&apos;re Raining Down Onto the Planet</title><link>https://fd15e571.space-site-80d.pages.dev/facts/saturn-losing-rings/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/saturn-losing-rings/</guid><description>Saturn&apos;s iconic rings are being pulled into the planet as a dusty &apos;ring rain.&apos; On cosmic timescales they&apos;re a temporary feature we&apos;re lucky to see at all.</description><pubDate>Tue, 23 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Something Is Sending Millisecond Radio Blasts From Across the Universe</title><link>https://fd15e571.space-site-80d.pages.dev/facts/fast-radio-bursts/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/fast-radio-bursts/</guid><description>Fast radio bursts release more energy in a millisecond than the Sun does in days — and some of them repeat on a schedule. We still don&apos;t know why.</description><pubDate>Mon, 22 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Saturn Has a Perfectly Hexagonal Storm Bigger Than Earth</title><link>https://fd15e571.space-site-80d.pages.dev/facts/saturn-hexagon-storm/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/saturn-hexagon-storm/</guid><description>At Saturn&apos;s north pole sits a six-sided jet stream 30,000 km across that has held its geometric shape for over 40 years. Nothing else like it exists.</description><pubDate>Sun, 21 Jun 2026 00:00:00 GMT</pubDate></item><item><title>The Only Animal That Has Survived the Naked Vacuum of Space</title><link>https://fd15e571.space-site-80d.pages.dev/facts/tardigrades-survive-space/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/tardigrades-survive-space/</guid><description>In 2007, scientists exposed tardigrades to open space — vacuum, radiation, freezing cold. Many of them simply woke up and carried on living.</description><pubDate>Sat, 20 Jun 2026 00:00:00 GMT</pubDate></item><item><title>There&apos;s a Mixtape for Aliens Flying Through Interstellar Space Right Now</title><link>https://fd15e571.space-site-80d.pages.dev/facts/voyager-golden-record/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/voyager-golden-record/</guid><description>The Voyager Golden Record carries greetings in 55 languages, whale songs, and Chuck Berry — a message in a bottle meant to outlive Earth itself.</description><pubDate>Fri, 19 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Black Holes Don&apos;t Actually Suck Anything In</title><link>https://fd15e571.space-site-80d.pages.dev/facts/black-holes-dont-suck/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/black-holes-dont-suck/</guid><description>Replace the Sun with a black hole of equal mass and Earth wouldn&apos;t move an inch. The &apos;cosmic vacuum cleaner&apos; is one of astronomy&apos;s biggest myths.</description><pubDate>Thu, 18 Jun 2026 00:00:00 GMT</pubDate></item><item><title>85% of the Universe&apos;s Matter Is Missing — and We&apos;ve Never Seen It</title><link>https://fd15e571.space-site-80d.pages.dev/facts/dark-matter-invisible-universe/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/dark-matter-invisible-universe/</guid><description>Every star, planet, and galaxy we can see is only a sliver of what exists. The rest is dark matter, and after 90 years we still don&apos;t know what it is.</description><pubDate>Wed, 17 Jun 2026 00:00:00 GMT</pubDate></item><item><title>A Single Day on Venus Lasts Longer Than Its Entire Year</title><link>https://fd15e571.space-site-80d.pages.dev/facts/day-on-venus-longer-than-year/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/day-on-venus-longer-than-year/</guid><description>Venus takes 243 Earth days to spin once but only 225 to orbit the Sun. On Venus, your birthday comes around faster than sunrise.</description><pubDate>Tue, 16 Jun 2026 00:00:00 GMT</pubDate></item><item><title>A Teaspoon of Neutron Star Weighs About a Billion Tonnes</title><link>https://fd15e571.space-site-80d.pages.dev/facts/neutron-star-teaspoon/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/neutron-star-teaspoon/</guid><description>Neutron stars pack the mass of the Sun into a ball the size of a city. One teaspoon of their matter outweighs every human who has ever lived.</description><pubDate>Mon, 15 Jun 2026 00:00:00 GMT</pubDate></item><item><title>The Wow! Signal: The 72-Second Radio Burst We&apos;ve Never Heard Again</title><link>https://fd15e571.space-site-80d.pages.dev/facts/the-wow-signal/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/the-wow-signal/</guid><description>In 1977, a radio telescope in Ohio caught a signal so strange the astronomer on duty circled it and wrote &apos;Wow!&apos;. Nearly 50 years later, it has never repeated.</description><pubDate>Sun, 14 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Venus Is Hotter Than Mercury — Even Though Mercury Is Closer to the Sun</title><link>https://fd15e571.space-site-80d.pages.dev/facts/venus-hotter-than-mercury/</link><guid isPermaLink="true">https://fd15e571.space-site-80d.pages.dev/facts/venus-hotter-than-mercury/</guid><description>Mercury sits twice as close to the Sun, yet Venus is the hottest planet in the solar system. The reason is a runaway greenhouse effect gone mad.</description><pubDate>Sat, 13 Jun 2026 00:00:00 GMT</pubDate></item></channel></rss>