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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

May 1990

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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 Coolest Stars
By James B. Kaler
The warm atmospheres of red giants are the stellar recycling plants of the Galaxy.
pg. 20
A New Look at the Crab Nebula
By Gerrit L. Verschuur
The latest radio observations present an intriguing view of this famous supermova remnant.
pg. 30
Solar System Chaos
By Karen Hartley
A little chaos can make predicting the motions of moons and planets very uncertain.
pg. 34
ASTRONOMY Sky Almanac
Test Drive Your Telescope
By Dick Suiter
A few simple tests can help you evaluate a telescope's optics.
pg. 56
Great Summer Planetaries
By Alan Goldstein
The summer sky contains many bright planetary nebulae that look great in small scopes.
pg. 64
A Summer Piggyback Portfolio
By Matthew F. Willson
Wide-field vistas of the Milky Way are easy to capture with a simple telescope-mounted camera.
pg. 70
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