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September 1993 |
Subscribe today and save! 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 Did Mars Once Have Martians? By
Christopher P. McKay The cold, dry Red Planet was once warm and wet - just like Earth when life formed here. |
pg. 26 |
What Puts the Spiral in Spiral Galaxies? By
Debra Meloy Elmegreen, Bruce Elmegreen Astronomers examining spiral galaxies are finally learning how nature creates these intricate structures. |
pg. 34 |
Building Astronomy's Future By
Dave Bruning Is science education in America dead? Not when dedicated teachers use astronomy in innovative programs. |
pg. 40 |
ASTRONOMY Sky Almanac Ptolemaeus and the Straight Wall By
Michael T. Kitt First Quarter is the ideal time to explore two of the Moon's prettiest features. |
pg. 58 |
Astro-Physics Refractors Big and Small By
Alan Dyer ASTRONOMY tests a pair of 4- and 6-inch scopes that promise sharp images and sturdy mounts. |
pg. 62 |
Exploring the South Polar Stars By
Deborah Byrd Survey the skies of the Southern Hemisphere, where nearby galaxies, bright globulars, and rich starfields abound. |
pg. 68 |
Seeking the Best 35mm Camera By
Alan Dyer We examine seven 35mm cameras to find the best. |
pg. 74 |
Departments Behind the Scenes Letters Viewpoint New Heights (?) for Advertising AstroNews When Worlds Collide: Comet Will Hit Jupiter Space News Mars Observer Will Power Into Orbit Amateur News British Deep-Sky Observers Meet Reader Reports Taking the Pluto Challenge Astronomy Books New Astronomy Products Meetings and Events Readings and Credits Advertiser Index
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