The Essential Guide to Astronomy
Sky & Telescope senior editor Alan MacRobert has been covering all aspects of astronomy since 1982.
Astronomy & Observing News
A spiral galaxy's arms trail behind when it rotates, right? Not always.
By: Alan MacRobert
July 23, 2003
The cosmic chess piece, the Horsehead Nebula, is seen in all its glory through the eyes of the VLT.
The lunar surface consists of more than just craters and mare. Here's a guide to some of the other lunar features.