Space & Cosmos
Mind-blowing facts about our universe, from quantum physics to galactic phenomena.
Did You Know?
Black holes create the perfect pitch of B-flat.
NASA's Chandra X-ray Observatory detected sound waves emanating from a supermassive black hole in the Perseus galaxy cluster....
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The largest known black hole could fit 66 billion Suns inside it.
TON 618, a supermassive black hole at the center of a very distant quasar, has a mass of...
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Some asteroids have their own moons.
About 15% of near-Earth asteroids larger than 200 meters have their own satellites. The asteroid Sylvia has two...
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The most distant object ever seen is over 13 billion light-years away.
GN-z11, a galaxy observed by the Hubble Space Telescope, is so far away that we see it as...
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The fastest-spinning object ever created rotates 300 billion times per second.
Scientists created a nanoparticle that can rotate at incredible speeds using laser light. At these speeds, the particle...
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The largest volcano in the solar system is on Mars.
Olympus Mons on Mars is about 2.5 times the height of Mount Everest and roughly the size of...
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Some planets are darker than coal.
TrES-2b reflects less than 1% of the light that hits it, making it darker than any known planet...
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The Sun loses 4 million tons of mass every second.
Through the process of nuclear fusion, the Sun converts mass into energy following Einstein's famous E=mc² equation. Despite...
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There’s a planet where it rains rubies and sapphires.
On HAT-P-7b, a gas giant 1,000 light-years away, changing temperatures in the atmosphere cause aluminum oxide (the same...