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.
July 2010
New Horizons path to Pluto
The faint, distant objects of the Kuiper Belt hide secrets as to how the solar system formed.
By Richard Talcott // Published: May 24, 2010
Venus
Associate Editor Liz Kruesi
Published: May 24, 2010
Milky Way
Dutch-American astronomer Bart Bok was interested in astronomy from a young age. One well-known story about what sparked his interest might surprise you.
By David H. Levy // Published: May 24, 2010
Far Side of the Moon
More lunar targets you can point your scope at await you.
By Michael E. Bakich // Published: May 24, 2010
July 2010 WE meteorite
Listen to meteorite dealers talk about their favorite subject.
By Michael E. Bakich // Published: May 24, 2010
Hubble Space Telescope
With a little luck and some planning, you could see the world's most famous telescope as it flies overhead.
By Bill Andrews // Published: May 24, 2010
July 2010 WE Ware
View a photo gallery of a terrific celestial target.
By Michael E. Bakich // Published: May 24, 2010
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