There are signals in space older than Earth itself.
Fact #2280
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Black holes can slow time so much that seconds near them equal years far away.
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A day on Mercury lasts longer than a year on Mercury.
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Space smells like burned metal.
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The observable universe is about 93 billion light‑years wide.
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Black holes can slow time so much that seconds near them equal years far away.
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The Moon was formed billions of years ago.
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The Earth's gravity keeps the Moon in orbit.
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