There are galaxies so distant that their light has been traveling for over 13 billion years to reach Earth.
Fact #2499
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Space smells like burned metal.
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Quasars are extremely bright objects powered by supermassive black holes.
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The observable universe is about 93 billion light‑years wide.
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Black holes can bend light through gravitational lensing.
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The universe is estimated to be about 13.8 billion years old.
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Black holes can slow time so much that seconds near them equal years far away.
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There are more stars in the universe than grains of sand on Earth.
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The Yellowstone supervolcano is one of the largest volcanic systems in the world.
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