Here is a picture of a comet, comet Hyakutake in 1996

There is a nice comet once every few years. What do you see?

Here is an image of Halley's comet.
Where does it come from? What makes it shine? What is it made of? How big is it? What makes the tail?

Some basic information about comets

ASTR 121 Home
Davison E. Soper, Institute of Theoretical Science, University of Oregon, Eugene OR 97403 USA