February 2012
93 posts
4 tags
3 tags
We are all stardust
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 -...
1 tag
1 tag
2 tags
2 tags
4 tags
4 tags
4 tags
3 tags
1 tag
1 tag
3 tags
3 tags
2 tags
1 tag
1 tag
3 tags
2 tags
1 tag
2 tags
3 tags
1 tag
3 tags
1 tag
1 tag
2 tags
1 tag
3 tags
1 tag
1 tag
1 tag
1 tag
2 tags
2 tags
2 tags
2 tags
1 tag
2 tags
2 tags
1 tag
1 tag
1 tag