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.
 | Associate Editor Liz Kruesi
Published: April 26, 2010 |
 | The closest known supernova in centuries, SN 1987A, focused the public's attention on these little-known satellite galaxies.
By
Bill Andrews //
Published: April 26, 2010 |
 | These images of the enigmatic region show activity in different wavelengths.
By
Michael E. Bakich //
Published: April 26, 2010 |
 | Although solar activity currently may be in the doldrums, a coronal mass ejection could erupt at any time.
By
Richard Talcott //
Published: April 26, 2010 |