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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

November 1992

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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
The Cosmic Origins of Life on Earth
By Christopher Chyba
A rain of comets and meteors onto the primitive Earth may have seeded and then destroyed life several times.
pg. 28
Odd Couples
By Jack W. Sulentic
When galaxies collide, the results can be untidy.
pg. 36
The Grand Illusion
By Ken Croswell
The night sky we see is a deceptive front for the real universe that lies behind.
pg. 44
ASTRONOMY Sky Almanac
Build an Astrophoto Platform
By John Iovine
Build a low-cost tracker for photographing the stars.
pg. 60
Capture a Constellation
By Mark J. Coco
Create your own photographic star atlas using fast film and simple techniques.
pg. 66
Observing the New Mars
By Edward F. Albin
See the most on Mars this season with our Red Planet observer's guide.
pg. 74
Autumn's Colorful Double Stars
By Mark T. Stauffer
Spend an evening enjoying these jewels of the night.
pg. 82
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