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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

December 1988

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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
On the Trail of Exotic Pulsars
By Gerrit L. Verschuur
The unidentified radio pulses that baffled astronomers turned out to be the oddest objects in the universe.
pg. 22
The Triumphant Grand Tour of Voyager 2
By Mark Littmann
Voyager overcame funding squeezes and technical difficulties to become the most productive deep-space mission the United States has ever flown.
pg. 34
Otherworldly Visions
By Thomas L. Hunt
Space artists from around the world gathered in Iceland to explore one another's perspectives on the solar system.
pg. 44
Galaxies at the Confusion Limit
By Jeff Kanipe
At extremely vast distances there are so many galaxies that their images nearly overlap.
pg. 56
ASTRONOMY Sky Almanac
Mars' Opening Act
By David J. Eicher
Scores of amateur observers watched Mars this summer as the Red Planet approached opposition.
pg. 76
Optical Illusions of Low-Angle Observing
By Leendert de Witte
Earth's atmosphere causes distortions in astronomical objects viewed near the horizon.
pg. 82
Galactic Collisions on Your Computer
By Michael C. Schroeder, Neil F. Comins
Modeling galaxy collisions is at the cutting edge of research and now it's at your fingertips.
pg. 90
ASTRONOMY 1988 Subject Index
pg. 98
Departments
Behind the Scenes
Letters
Viewpoint
A Nation Hungry for Astronomy
AstroNews
Icy Volcanism at Uranus
Space News
Great Observatory #3
Amateur News
Mars Stars at Astrofest
Reader Reports
Perseid Fireballs
Forum
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