Planetary Radio: Space Exploration, Astronomy and Science

Tales From a 4 Billion Year Old Piece of Mars...On Earth

28:50 | Feb 3rd, 2015

Robina Shaheen and Mark Thiemens tell us how an ancient Mars meteorite has revealed much about the red planet. Mat holds a tiny fragment of the rock in their UC San Diego lab.Learn more about your ad choices. Visit megaphone.fm/adchoices