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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

September 2001

This issue is currently out of stock and will not be reprinted.
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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
Chasing a Comet
By William Speed Weed
When a spacecraft encounters Comet Borrelly this month, get ready for the unexpected.
pg. 32
Probing the Birth of Starlight
By Adam Frank
Discovering how stars shine by nuclear fusion was just one of the highlights of Hans Bethe's career.
pg. 38
Keepers of the Night
By Robert Naeye
Come along for a behind-the-scenes tour of Palomar Mountain, the most storied observatory in the world.
pg. 46
On the Road with John Dobson
By Rosemary Sullivant
The tireless pioneer of large-aperture telescopes and inventor of the mount that bears his name is, in his early 80s, still going strong.
pg. 68
Who Let the Dobs Out?
By Phil Harrington
Discovery Telescopes' 12.5-inch reflector and the 15-inch model from Obsession Telescopes both offer great power for viewing deep-sky objects in a portable, elegant package.
pg. 74
Ask Astro
The editors of ASTRONOMY answer your questions about the sky and the universe.
pg. 80
Departments
Behind the Scenes
Meeting John Dobson
Talking Back
AstroNews
- Science Flows from Sloan Survey
- A Square Dance in Space
- Cosmic Models Match Reality
- Listening for Meteors
- Of Starbursts and Black Holes
- By the Light of the Moon?
- Speedy Delivery?
Sky Show
The moon occults Saturn on the 10th, creating a rare show that photographers will be sure to catch.
Star Stuff
Products
- Send Rover on Over
Books
- Life Beyond Earth
- Mars: The Lure of the Red Planet
- Voyage to Mars: NASA's Search for Life
Beyond Earth
- The Cambridge Dictionary of Space
Technology
Looking Ahead
Advertiser Index
Hot Shots
Cactus Flowers Point to the Stars
Ultimate Exposure
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