From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
NASA invented baby food as we know it today.
7
Sound doesn't travel in space.
255
It 'snows' metal on Venus.
13