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.
 | Discover this month's offerings of astronomy titles.
Published: October 25, 2005 |
 | Learn more about topics from the December 2005 issue.
Published: October 25, 2005 |
 | When the Galileo spacecraft flew past Ida in 1993, no one expected to find a moon. Its discoverer recalls how it happened.
By
Ann Harch //
Published: October 25, 2005 |
 | The constellations of early-winter — Perseus, Auriga, Cassiopeia, and Cepheus — have many more colorful clouds to offer skywatchers.
By
Francis Reddy //
Published: October 25, 2005 |
 | Astrophysicists use ever-increasing detailed simulations to model the first star's formation.
By
Liz Kruesi //
Published: October 25, 2005 |
When it comes to a cosmic "Top 40," humanity is farther along than you might think.
By
Francis Reddy //
Published: October 25, 2005 |
 | John Herschel documented most of his days in South Africa. Read a few excerpts from his journal to learn more about the astronomer.
By
Liz Kruesi //
Published: October 25, 2005 |
 | In addition to M31, the Andromeda Galaxy, December's sky hosts several other galaxies bright enough to crack the binocular barrier.
By
Phil Harrington //
Published: October 25, 2005 |