50 books
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3 voters
Astronomy
Astronomy is a natural science which is the study of celestial objects (such as stars, galaxies, planets, moons, and nebulae), the physics, chemistry, and evolution of such objects, and phenomena that originate outside the atmosphere of Earth, including supernovae explosions, gamma ray bursts, and cosmic microwave background radiation. A related but distinct subject, cosmology, is concerned with studying the universe as a whole.
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Every atom in your body came from a star that exploded. And, the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics: You are all stardust. You couldn’t be here if stars hadn’t exploded, because the elements - the carbon, nitrogen, oxygen, iron, all the things that matter for evolution and for life - weren’t created at the beginning of time. They were created in the nuclear furnaces of stars, and the only way f
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Stars are beautiful, but they must not take an active part in anything, they must just look on forever. It is a punishment put on them for something they did so long ago that no star now knows what it was.
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The LPI Library collection contains more than 60,000 cataloged books, documents, maps and globes…more
5 members,
last active 13 years ago
The whole of nature, of the cosmos is nothing short of miraculous. I draw inspiration and joy fr…more
136 members,
last active 3 years ago
For readers who love to learn for learning's sake, this group features regular group reads of no…more
613 members,
last active 4 years ago
Tags
Tags contributing to this page include: astronomy, astronomia, and atronomy
