The universe is not only expanding but accelerating in its expansion, driven by a force called dark energy.
Fact #4554
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The observable universe is about 93 billion light‑years wide.
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Asteroids vary widely in size and composition.
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Black holes can bend time.
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Black holes can slow time so much that seconds near them equal years far away.
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The Kuiper Belt contains many icy bodies beyond Neptune.
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The Earth orbits the Sun once every year.
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The Milky Way galaxy contains billions of stars.
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The Earth orbits the Sun at about 30 kilometers per second.
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