What's in the heart of a comet?
comet's nucleus, or heart, is the solid chunk of something in the center of its fuzzy coma. As it approaches the Sun, some of its surface boils off and creates a long tail. spaceplace.nasa.gov/comet-nucleus/en/ Asteroids Pictures
Nasa's Asteroids Pictures nssdc.gsfc.nasa.gov/imgcat/thumbnail_pages/... Near Earth Object Program
Upcoming Asteroid Close Approaches To Earth ... neo.jpl.nasa.gov/ Free Comet Worksheets
Comets secret message, fillinblanks for comets and Fun Facts about Comets kidsknowit.com/free-educational-workshe... Comets
Video, learn about comets in the solar system. https://www.youtube.com/watch?v=-_6nYgel4JI
NOVA Online - Doomsday Asteroid
A comet is composed of a nucleus, a coma, and two kinds of tails. The nucleus, which is typically only about 1 to 10 miles across... pbs.org/wgbh/nova/spacewatch/ NSSDC Photo Gallery: Comets
NSSDC Photo Gallery: Comets - A collection of images of comets nssdc.gsfc.nasa.gov/photo_gallery/photogall...