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.
November 2004
Death of the Sun
Experience our Sun's future.
Published: September 28, 2004
Family ASTRO
The Astronomical Society of the Pacific designed the Family ASTRO program so parents can share in their kids' learning of astronomy.
By Jeremy McGovern // Published: September 28, 2004
Servicing Hubble
NASA is eager to explore the Moon and Mars but curiously uneager to send astronauts to repair Hubble. What's wrong with this picture?
By Robert Zimmerman // Published: September 28, 2004
SOHO shoots the Sun
Will Earth even survive to see the red giant Sun?
By Pamela Zerbinos // Published: September 28, 2004
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