Saturn: The Basics
To ancient astronomers, Saturn was a wandering light near the edge of the known universe. The planet and its rings have been objects of beauty and wonder ever since Galileo noticed the 'cup handles' that seemed attached to a round world. Saturn is a smaller…
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Heady Success
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CALIPSO in 2004
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Diamonds Improved by Irradiation?
Besides hardness and texture, probably the most fascinating aspect of gems is their color. There are so many…
Astronomy
Large Asteroid Zooms Safely Past Earth
A mountain-sized asteroid made its closest approach to Earth at 9:35 a.m. Eastern Time on Wednesday, Sept. 29,…