The Hubble Space Telescope, launched in 1990, revealed galaxies in the 'deep field' photos — demonstrating the universe's scale.
Fact #9320
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Solar eclipses occur when the Moon blocks the Sun from Earth's view.
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The light you see from some stars today began traveling before humans existed.
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The light you see from some stars today began traveling before humans existed.
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The Moon's surface is covered with regolith, a layer of loose rock and dust.
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There are rogue planets drifting through space with no star at all.
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There are rogue planets drifting through space with no star at all.
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Black holes can bend light through gravitational lensing.
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Black holes can slow time so much that seconds near them equal years far away.
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