01 JAN 2012 by ideonexus

 The Wonders of the Universe

There is a place with four suns in the sky – red, white, blue, and yellow; two of them are so close together that they touch, and star-stuff flows between them. I know of a world with a million moons. I know of a sun the size of the Earth – and made of diamond. There are atomic nuclei a mile across that rotate thirty times a second. There are tiny grains between the stars, with the size and atomic composition of bacteria. There are stars leaving the Milky Way. There are immense gas c...
Folksonomies: astronomy universe wonders
Folksonomies: astronomy universe wonders
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Carl Sagan describes some of the amazing things science and astronomy have discovered in our universe.