December 2009
The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level.
Features
Astronomy magazine’s Sky Guide 2010
Bright planets, streaking meteors, and total eclipses of the Sun and Moon highlight an exceptional observing year.
Hubble’s grand new vistas
Early results from the space telescope’s new camera and spectrograph prove there’s a lot of life left in the aging observatory.
What can neutrinos tell us about the universe?
Astronomers are studying subatomic particles from supernovae and other energetic phenomena, but such particles are difficult to detect.
Web extra: On the hunt for neutrinos
Many facilities have been involved in searching for these mysterious particles.
Top 10 winter Milky Way treats
These must-see star clusters and nebulae look their best in this season’s crisp air.
Web extra: More winter Milky Way treats
These beautiful images will make your eyes water without cold weather.
How to observe comets
Nothing thrills skywatchers like a new comet, especially if it’s bright. Follow these tips to be ready for the next one.
Web extra: How to determine atmospheric extinction
Use this table to refine your comet observing.
Celestron revives a classic scope
With the Omni XLT 127, Celestron has made its signature 5-inch scope even better.
Departments
This Month in Astronomy
Astro Confidential
Letters
Web Talk
Bob Berman’s Strange Universe
Glenn Chaple’s Observing Basics
Astro News
The Sky this Month
Ask Astro
David H. Levy’s Evening Stars
Stephen James O’Meara’s Secret Sky
New Products
The Cosmic Grid
Advertiser Index
Deep-sky Showcase
Reader Gallery
