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