About This Picture

This is a picture of Comet West. Comets are balls of ice and dust which orbit the sun. When they approach the sun, its heat vaporises some of the ice, and the pressure of its light and the solar wind blow the vapor back, forming the tail.

Related Courses

PtyS 106 is the course that talks the most about comets.

PtyS 403, PtyS 407, and PtyS 411 also partly deal with comets.

More Information

Some other places you can find information on comets include:

The Nine Planets: Comets
The Nine Planets is a tour of the solar system, created and maintained by SEDS, the Students for the Exploration and Development of Space.

Views Of The Solar System: Comets
Views Of The Solar System is a collection of images and facts created and maintained by Los Alamos National Laboratory.

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