1. Dr. Gerard van Belle homepage Homepage for Dr. Gerard van Belle, a researcher at the Michelson Science Center at Caltech. Dr. van Belle specializes in the direct measurement in th... visit site
2. Cosmic Images lunar, planetary and deep space images from Kohl Observatory, Lakewood, New York, U.S.A.
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4. The Supernovae It is believed in a galaxy there is a supernova, that is the catastrophic explosion of a big mass star, about twice in every century. The last superno... visit site