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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

October 1977

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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
Man Finds a New World: Mars
pg. 6
The Polar Regions of Mars
By James Cutts
pg. 10
Martian Climate: Past, Present and Future
By John Gribbin
pg. 18
Stellar Frontiers
By Wallace H. Tucker
Rich Clusters of Galaxies
pg. 28
Sky Almanac
U.S. Gets Partial Eclipse
pg. 34
Planet Finder - October 1977
pg. 36
Equipment Atlas
1977 Buyers' Guide to Small Telescopes
pg. 42
Gazer's Gazette
By Thomas C. Bretl
"Stoplight" Stars: The Red Variables
pg. 52
Astronomy Reviews
pg. 57
Astro-Mart
pg. 60
Astro-News
pg. 65
October Star Dome
By James Mullaney, Henry J. Phillips
pg. 73
Close-Up on the Pegasus Region
pg. 75
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