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December 2009 | The December 2009 Astronomy unveils the latest images from the repaired Hubble Space Telescope, explains what neutrinos can tell us about the universe, teaches beginners how to observe comets, and more. The issue also includes Astronomy's "Sky Guide 2010," a 16-page preview of next year's noteworthy sky events.
Video: Editor David J. Eicher previews the December 2009 issue.
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Features Astronomy magazine's Sky Guide 2010 By
Martin Ratcliffe, Richard Talcott Bright planets, streaking meteors, and total eclipses of the Sun and Moon highlight an exceptional observing year. |
Hubble's grand new vistas By
Richard Talcott Early results from the space telescope's new camera and spectrograph prove there's a lot of life left in the aging observatory. |
pg. 24 |
What can neutrinos tell us about the universe? By
James S. Trefil, Wanda O'Brien-Trefil Astronomers are studying subatomic particles from supernovae and other energetic phenomena, but such particles are difficult to detect. |
pg. 30 |
By
Liz Kruesi Many facilities have been involved in searching for these mysterious particles. |
Top 10 winter Milky Way treats By
Michael E. Bakich These must-see star clusters and nebulae look their best in this season's crisp air. |
pg. 46 |
By
Michael E. Bakich These beautiful images will make your eyes water without cold weather. |
How to observe comets By
Michael E. Bakich Nothing thrills skywatchers like a new comet, especially if it's bright. Follow these tips to be ready for the next one. |
pg. 50 |
By
Michael E. Bakich Use this table to refine your comet observing. |
Celestron revives a classic scope By
Raymond Shubinski With the Omni XLT 127, Celestron has made its signature 5-inch scope even better. |
pg. 54 |
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 The Christmas Cross: a matter of life and death |
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