NASA
List of 197 impact structures of the World
Meteors, Meteorites and Impacts
Gary W. Kronk's Comet and Meteor Shower Page
Comet Observation Home Page (JPL)
Dale Ireland's Astronomy Page (Good section on Comets)
Meteor Science at explorezone.com
New England Meteoritical Services
More on the Grand Teton Fireball
R. A. Langheinrich Meteorites--Owner of the Peekskill Meteorite Car
Yahoo Search: Meteorites for sale
Searching Antarctic ice for meteorites:The 25th season
The Central Bureau for Astronomical Telegrams (CBAT)
Yahoo search on Alvarez and dinosaurs
Leonids 2000 from Richmond, RI
Leonids 2001 from Richmond, RI (Starts with #69)
Trans-Neptunian Object 2000 WR106 (alias Varuna)
Asteroid Distribution Histogram--The Kirkwood Gaps
Near Earth Object Home Page (JPL/NASA)
Comet Shoemaker-Levy Collision with Jupiter
Kinetic Energy of a Comet (Interactive Excel page)