South: The Path of Fire
The nitrogen in our DNA,
the calcium in our teeth,
the iron in our blood,
the carbon in our apple pies
were made in the interiors of collapsing stars.
We are made of starstuff.
~ Carl Sagan, Cosmos
Mars Rovers
Space Shuttles
* Martian rover image credit: NASA/JPL
* space shuttle photo credit: NASA/Bill Ingalls
