... Fireworks came early on July 4th when, at 1:52am EDT, the Deep Impact spacecraft's probe smashed into the surface of Comet Tempel 1's nucleus at ten kilometers per second. ... Comet Tempel 1 is targeted for a collision with the impactor probe from NASA's Deep Impact Spacecraft at about 1:52am EDT on July 4th (other time zones). ... In the center is a large but peculiar elliptical galaxy dubbed NGC 1316. ... Stars orbit the center of the cluster, and the cluster orbits the center of our Galaxy. ...