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.
 | Ammonia, silicon, and hydrocarbons can theoretically support life.
By
Daniel Pendick //
Published: July 27, 2009 |
 | Associate Editor Daniel Pendick talks about Proxima Centauri.
Published: July 27, 2009 |
 | Learn more about the life and ideas of Andrea Dupree.
By
Karri Ferron //
Published: July 27, 2009 |
 |
A simulation shows how merging galaxies can fling stars to hypervelocities.
By
Liz Kruesi //
Published: July 27, 2009 |
 | See all the entries of the 2009 Astroimaging Contest.
By
Michael E. Bakich //
Published: July 27, 2009 |
 | The first known Cepheid variable star lies in the southeastern corner of Cepheus the King. Here's how to find it.
By
Richard Talcott //
Published: July 27, 2009 |