14 Jan 2015, 05:25 UTC
You don't have the right version of the adobe flash player to see this video. Please upgrade or install it at "http://get.adobe.com/flashplayer/"Subscribe to iTunes
Comet Lovejoy provides a spectacular start to 2015. Also; the Dawn spacecraft begins final approach to the asteroid Ceres, and New Horizons turns on its science instruments as it prepares to rendezvous with Pluto.