Found 0 - 2 results of 2 programs matching keyword "cratering"
Take a look inside a comet! Launched on Jan. 12, 2005, the Deep Impact spacecraft hurtled through space on a collision course with an enormous comet. Join senior scientist Paul Dougherty as he explores this exciting mission. Dr. Nils Halvorson is in the Live@ studio and sheds light on the DASI telescope at the South Pole.