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.
 | Although the Milky Way’s scheduled collision with the Andromeda Galaxy in a few billion years may be the most spectacular galaxy smash-up on our horizon, it’s not the only cosmic crash astronomers have studied. Watch these computer simulations for a taste of what gravity can fashion.
By
Richard Talcott //
Published: February 26, 2013 |
 | Tele Vue’s introduction of the Nagler eyepiece in 1980 started a revolution in high-quality optics.
By
Michael E. Bakich //
Published: February 26, 2013 |
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Read a few excerpts from the great astronomer's journal from studying the Southern Hemisphere skies.
By
Karri Ferron //
Published: February 25, 2013 |
 | Bernhard Hubl has photographed everything from Messier objects to obscure galaxy clusters, but those off the beaten path are his favorite.
By
Karri Ferron //
Published: February 25, 2013 |
 | For superstring theory to work, our cosmos must have another six dimensions. Where are they hiding?
By
Liz Kruesi //
Published: February 25, 2013 |