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.
 | The paltry amount of lithium in ancient stars raises questions about exactly how nucleosynthesis played out in the early universe. But cosmologists have a pretty good handle on how nuclear reactions created hydrogen and helium.
By
Richard Talcott //
Published: December 27, 2010 |
 | Gaining an appreciation of the universe and our place in it is not as hard as you might imagine.
By
Richard Talcott //
Published: December 27, 2010 |
 |
Associate Editor Liz Kruesi
Published: December 27, 2010 |
 | Enjoy more images of bright galaxies you might be able to see from home.
By
Michael E. Bakich //
Published: December 27, 2010 |
 | Phoebe is the most-studied irregular satellite.
By
Liz Kruesi //
Published: December 27, 2010 |
 | Use this chart to help you estimate the variable brightness of one of the reddest stars visible in the sky.
By
Glenn Chaple //
Published: December 27, 2010 |
 | Find out the state of affairs in galaxy-black hole research and how you can help scientists learn more.
By
Bill Andrews //
Published: December 27, 2010 |