Astrophysics for People in a Hurry (Astrophysics for People in a Hurry Series)
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People who believe they are ignorant of nothing have neither looked for, nor stumbled upon, the boundary between what is known and unknown in the universe.
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We are stardust brought to life,
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dark matter comprises 27 percent, with regular matter comprising a mere 5 percent.
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the weaker the gravity on the surface of an object, the higher its mountains can reach.