A group of stars that forms a picture is commonly called a constellation. Astronomers, however, call these star pictures asterisms, and have a slightly different definition of a constellation.
This interactive night sky map is so easy to use, it barely needs any explanation.
Richard Dibon-Smith, an astronomy fan since childhood, built The Constellations based on his popular self-published constellation guides.
The students and teachers of Fairfax, Virginia public schools worked together to create a really nice planetarium site for elementary students.
Google Sky is an interactive, searchable map of the night time sky.
This section of the Deepsky Atlas from the Hawaiian Astronomical Society lists the eighty-eight constellations alphabetically.
Meteor showers are cyclical, predictable events because they are formed from the icy rock debris shed by comets as they pass the Sun.
From the print magazine Astronomy, comes this excellent one-page introduction to meteors and meteor showers.
In recognition of his extensive comet research, Gary Kronk has been honored by the International Astronomical Union with a minor planet named after him.
With an image gallery, a video library, an article archive, and a meteor shower pronunciation guide with audio clips, Space.com is chock full of yummy meteor goodness.
The most popular meteor question online is, "When is the next meteor shower?" StarDate Online answers this question with a calendar of seven annual meteor showers...
These illustrated class notes from the introductory astronomy class University of Texas at Knoxville are a great resource.
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