Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

August 2009

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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
How we'll return to the Moon
By James E. Oberg
Four decades after the first human landing, we stand on the threshold of a second grand adventure.
pg. 24
By Richard Talcott
NASA has developed detailed plans for sending humans back to our nearest celestial neighbor.
Next step Mars?
By Daniel Pendick
Landing humans on the Red Planet is harder and more dangerous than you might think, but it can be done. Here's how.
pg. 30
By Daniel Pendick
The effects of long-term exposure to space radiation and low gravity are still uncertain.
By Daniel Pendick
The return to the Moon could be a useful steppingstone to Mars - or a costly and unnecessary delay.
What Europe's Moon mission revealed
By Bernard H. Foing
Lead Project Scientist Bernard H. Foing explains how SMART-1 served as a steppingstone for future solar system exploration.
pg. 44
Asia's new assault on the Moon
By Michael E. Bakich
First-ever lunar missions from Japan and China returned valuable data and laid the foundation for more ambitious exploration.
pg. 50
By Michael E. Bakich
To get more bang for our buck, the space agency launches two missions at once.
Who was the real Charles Messier?
By Ronald Stoyan
His catalog of deep-sky objects may be world famous, but most people don't know much about the man behind it.
pg. 54
By Phil Harrington
With the help of the SkyQuest XX12 reflector, finding faint deep-sky treats just got easier.
pg. 58
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