SOLAR SYSTEM

Detailed explanation-1: -If you want to add your name to hundreds of thousands of others, go to the Deep Impact Web site and sign up. You’ll be able to print out your own certificate with its own number to show your friends. We’ve even included an email you can send to tell them how to send their name to a comet as well.

Detailed explanation-2: -Perihelion: 1680 December 18.49, q = 0.006 AU The significance began with the comet’s discovery, which was made on the morning of November 14, 1680, by a German astronomer residing in Coburg, Gottfried Kirch – the first comet ever to be discovered by means of a telescope.

Detailed explanation-3: -Maria Mitchell was an American astronomer, first to discover a comet.

Detailed explanation-4: -A small pair of binoculars should show comets as faint as visual magnitude of 8 or 9 under very dark skies. Large binoculars and small telescopes will capture comets down to about magnitude 11. An eight-inch (203mm) reflector or Schmidt–Cassegrain telescope can see comets beyond magnitude 12.