Get started on a journey of discovery and wonder! Astronomy for Kids » Intro to the Sky » Urban Skies » Equipment » Glossary » ESO brings starburst galaxy into focus NGC 4666's vigorous star formation is probably the result of gravitational interactions with neighboring galaxies. Recent Articles NASA and ATK successfully test five-segment solid rocket motor 09/01/2010 Spectrum of young extrasolar planet yields surprising results 08/31/2010 NASA Glenn tests alternative green rocket engine 08/31/2010 More news » News Feed | What is RSS? Tour the solar system: Mercury In the first installment of the "Tour the solar system" series, Associate Editor Liz Kruesi explores what scientists know about the innermost planet and what they're still hoping to learn in the future. Video categories Product showcase Astronomy update How to Trips and tours General See more videos » Falling stars: Remembering Jack Horkheimer … a personal perspective 08/30/2010 12:58 PM Calling all astroimagers to the 2010 Astroimaging Contest 08/27/2010 08:37 AM A senior editor’s lifelong observing list 08/26/2010 11:36 AM Observing podcast: Corona Australis, the Castaway Cluster, and the Red Spider Nebula August 26-September 2, 2010: Corona Australis makes a nice target for beginning observers, while the Castaway Cluster and the Red Spider Nebula provide nice targets for telescope owners. Listen Subscribe to podcast » Podcast archive » Astronomy magazine subscribers have exclusive access to this premium content and more. Share your opinions and images or get advice from other Astronomy.com members. Go » What is your interest in astroimaging? I enjoy astrophotography just as much as visual observing. I do some imaging, but my main interest is visual observing. I currently don’t do any imaging, but I’d like to start someday. I’m not interested in astroimaging.    Show Results » Customer service » Letter to the editor » Submit a group or event »