Blader door items (161 in totaal)

This volume collects reference information for astronomers and astrophysicists, ranging from fundamental physical constants to orbital data for selected asteroids. For the Earth and planets, it includes, for example, data on mass, orbits and…

Astronomer Harwit has finally updated his classic textbook to encompass the exciting developments of the decade since its last edition. It is ideal for those Scientific American readers who are mathematically literate and who want to pursue topics…

On July 23, 1999, the Chandra X-Ray Observatory, the most powerful X-ray telescope ever built, was launched aboard the space shuttle Columbia. Since then, Chandra has given us a view of the universe that is largely hidden from telescopes sensitive…

Many years ago amateur astronomers made observations of equal quality to professionals and hence could participate in the intellectual challenge of advancing our knowledge of the universe. Throughout most of this century, however, the cost and…