Get started on a journey of discovery and wonder! Astronomy for Kids » Intro to the Sky » Urban Skies » Equipment » Glossary » NASA's Solar Dynamics Observatory investigates the Sun's cycle of highs and lows This is the first mission of NASA's Living With a Star program, which seeks to reveal how solar activity is generated and to understand the causes of solar variability and its impact on Earth. Recent Articles NASA provides venerable Hubble hardware to Smithsonian 11/18/2009 Record-breaking radio astronomy project to measure sky with extreme precision 11/17/2009 Close-up movie shows hidden details in the birth of super suns 11/16/2009 More news » News Feed | What is RSS? How to use a star chart Senior Editor Rich Talcott helps you navigate the night sky using Astronomy magazine's pullout star chart — located in the center of each monthly issue. Video categories Product showcase Astronomy update How to Trips and tours General See more videos » Try these weekend observing targets 11/20/2009 11:28 AM NASA technology in your world 11/19/2009 11:58 AM Leaving Earth behind 11/17/2009 09:03 AM Observing podcast: Mira, the Owl Cluster, and the Little Spindle Galaxy November 20-27, 2009: The variable star Mira makes a great target for all observers, while the Owl Cluster and the Little Spindle Galaxy 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 » How was your luck with the Leonid meteor shower this year? Great! I saw lots of meteors. Not too bad — some meteors here and there. Bad weather ruined any chance of seeing meteors. I wasn’t interested in catching the meteor shower.    Show Results » Customer service » Letter to the editor » Submit a group or event »