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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

June 1991

Purchase this Issue
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
The Genesis of Binary Stars
By Alan P. Boss
Double stars are everywhere in space, yet how they form is still a mystery.
pg. 34
ROSAT's Penetrating X-ray Visions
By Alan Dyer
An unsung satellite has been quietly mapping the x-ray sky, returning unprecedented views of the high-energy universe.
pg. 42
Seeing the World through Infrared Eyes
By Neil F. Comins
If our eyes were sensitive to infrared light, we'd have a Van Gogh night sky, with stars set amid halos of dust.
pg. 50
ASTRONOMY Sky Almanac
Travel Tips for the Big Eclipse
By Joel K. Harris
All you'll need to know so your eclipse trip does not become the vacation from hell.
pg. 68
The Dance of the Jovian Moons
By John E. Westfall
The dance goes on, as Jupiter's moons continue to hide and eclipse one another - but not for much longer.
pg. 76
The Wonders of the Coma Cluster
By Alan Goldstein
From a star cluster nearby to a galaxy cluster far away, Coma Berenices offers a diversity of telescopic targets.
pg. 80
ASTRONOMY Tests the Meade 2045
By Alan Dyer
It's a compact, go-anywhere telescope that's perfect for a large segment of the buying public.
pg. 84
Departments
Behind the Scenes
Letters
Viewpoint
Selling the Eclipse
AstroNews
Comet Halley Flares
Space News
Why is Neptune so Bright?
Amateur News
Partytime in Florida
Reader Reports
Sketching Mars at Opposition
New Astronomy Products
Product Reviews
"The Astronomers" TV Series
Astronomy Books
Meetings and Events
Readings and Resources
Credits
Advertiser Index
SEARCH SITE
Subscriber Only Access
Subscriber Only Content
Look for this icon. This denotes premium subscriber content. Learn more »
Become a Member of Astronomy.com
Register today for access to more valuable resource information.
Interact in our forums, comment on articles, receive our newsletter and much more!
Not a member?
Subscriber and Member Login
Password
Remember me