The Essential Guide to Astronomy
Explore the Night with Bob King
Ten thousand stars bedazzle the eye on a dark night. Wait, how many?
By: Bob King
September 17, 2014
Why do larger numbers mean less light? Here's the story of astronomy's odd but beloved scheme for describing star brightnesses.
By: Alan MacRobert
August 1, 2006
Choosing Your Astronomy Equipment
How high can you get? How low can you go? The answers depend on many factors that combine to give each telescope a useful magnitude range.
By: Al Nagler
July 17, 2006