This resource covers the general features of comets, such as their orbit, head, coma and tail; the comets Hyakutake and Hale-Bopp; Halley's comet; collisions of comets with other bodies; and the possibility of small...
Professor Kenneth Libbrecht at Caltech University is very interested in crystal growth and pattern formation in ice. So interested in fact, he went ahead and created this lovely website (last reviewed in the November 27...
K. Rubal provides this educational Web site she helped to create while a graduate student in instructional technology at California State University in Los Angeles. Designed for grades 4-8, this Web site offers students...
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