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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Web Extras
Go deeper into the stories of Astronomy magazine. These online features bring you additional research, interviews, photos, and more our editors turned up while creating the stories for this issue.
May 2008
Arizona Sky Village
Senior Editor Michael Bakich takes you on a tour of a stargazer's paradise in the American Southwest.
Published: May 24, 2008
60mm telescope
These two articles offer advice on repairing 60mm instruments.
Published: March 24, 2008
Square Kilometer Array
An international team is designing a radio telescope 100 times more sensitive than any of its kind. Here's what it will look like.
By Daniel Pendick // Published: March 19, 2008
Caloris Basin floor
The MESSENGER spacecraft flew past Mercury January 14, giving scientists their first close-up view of the planet in 33 years.
By Richard Talcott // Published: March 19, 2008
Hydra and Corvus
Target a duo of challenging variable stars in the Water Snake and nearby Corvus.
By Phil Harrington // Published: March 19, 2008
Deep Space Network, Canberra, Australia
Hear about the state of the art from the program manager of NASA's Deep Space Network and the Spitzer Space Telescope's mission manager.
By Francis Reddy // Published: March 19, 2008
S Nebula
Use this Autostar tour with your computerized Meade telescope.
By Michael E. Bakich // Published: March 19, 2008
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