Open Star Clusters

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Physical Environment > Open Star Clusters

Secrets of the Night Sky : The Most Amazing Things in the Universe You Can See With the Naked Eye
Click for details
Bob Berman
March 1996

Sky Screen Saver

John Walker
The Sky Screen Saver shows the sky above any location on Earth, including stars (from the Yale Bright Star Catalogue of more than 9000 stars to the 7th magnitude), the Moon in its correct phase and position in the sky, and the position of the Sun and all the planets in the sky.

The Astronomy Cafe : 365 Questions and Answers from 'Ask the Astronomer'

Click for details
Sten F. Odenwald
May 1998
Odenwald maintains the Astronomy Cafe web site. These are some of the questions he has answered there.

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It has 128 pages and many black and white illustrations. It also includes a full index, a series of time lines and the complete text of the Universal Declaration of Human Rights.

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Physical Environment > Open Star Clusters

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