|
|
February 1991 |
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 Hubble Opens New Vistas By
Richard Talcott Remarkable test images prove that Hubble is far from crippled. |
pg. 30 |
Regal Rigel By
Peter Jedicke, David H. Levy It's big and hot and may one day explode. |
pg. 38 |
Update on Magellan By
Robert Burnham Magellan's radar views of Venus continue to astound scientists. |
pg. 44 |
The Earth without the Moon By
Neil F. Comins If Earth had no Moon the effects would be far more than dark nights and low tides. |
pg. 48 |
ASTRONOMY Sky Almanac It Came from Outer Space! By
Christopher E. Spratt Fireballs - they pierce the night with their bright green light. |
pg. 64 |
New Visions from CCDs By
David J. Eicher Amateurs have embraced the new technology and early results are exciting. |
pg. 70 |
ASTRONOMY Tests Ten Nebula Filters By
Alister Ling, Jerry Spevak These accessories promise dark skies from urban sites, but do they work? |
pg. 74 |
Exploring Open Clusters in Canis Major By
Phil Harrington Down around the Dog Star you'll find a rich collection of star clusters. |
pg. 80 |
Departments Behind the Scenes Letters Viewpoint This Club's For You AstroNews A Black Hole Found? Space News CRAF/Cassini Survives Amateur News Regional Star Party Roundup Reader Reports Saturn's Large White Spot New Astronomy Products Product Reviews A Brighter Focusing Screen Astronomy Books Meetings and Events Readings and Resources Credits Advertiser Index
|
 |
Look for this icon. This denotes premium subscriber content.
Learn more » |
Receive news, sky-event information, observing tips, and more from Astronomy's weekly e-mail newsletter
|