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 Daniel Pendick explains the difference between an open cluster and a globular cluster.
Published: March 23, 2009 |
 | Learn more about the lives and ideas of May's "Astro Confidential" professionals.
By
Karri Ferron //
Published: March 23, 2009 |
 | Scan binocular targets in Hydra and Corvus on your way to Centaurus' deep-sky objects.
By
Phil Harrington //
Published: March 23, 2009 |
 | Follow along for a night of galaxy hunting from Animas, New Mexico.
By
Michael E. Bakich //
Published: March 23, 2009 |
 | Compare the optics of the first three telescope designs.
By
Liz Kruesi //
Published: March 23, 2009 |
 | The author of Experience Galileo's Italy explains his appreciations for the great astronomer's life and work.
By
Daniel Pendick //
Published: March 23, 2009 |