Some black holes emit more energy than entire galaxies.
Fact #2437
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The Milky Way contains regions of active star formation.
Fact #219 · Space
There are black holes at galaxy centers.
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The Vostok 1 mission marked the first human spaceflight.
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The Sun makes up 99.8% of solar mass.
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Black holes have gravitational pulls so strong that not even light can escape.
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The light you see from some stars today began traveling before humans existed.
Fact #1808 · Space
The Moon was likely formed after a massive collision with early Earth.
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The Earth's rotation speed varies slightly over time.
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