December 2009
 | On the hunt for neutrinos  Many facilities have been involved in searching for these mysterious particles. |
 | More winter Milky Way treats These beautiful images will make your eyes water without cold weather. |
 | How to determine atmospheric extinction Use this table to refine your comet observing. |
 | Ask Astro web extra: What are the surface conditions like on Uranus? Associate Editor Daniel Pendick talks about the ice giant, Uranus. |
 | Astro Confidential: Learn how this physics professor got started and what fascinates him most about his job. Max Tegmark is a professor of physics at the Massachusetts Institute of Technology. |
 | Astro Confidential: Learn about this astrophysicist's career accomplishments, future goals, and more. Rocky Kolb is a professor and chair of the University of Chicago's Department of Astronomy and Astrophysics. |
 | Astro Confidential: Learn how the SETI director got started and about her future plans for the institute. Jill Tarter is the Bernard M. Oliver Chair for SETI Research and director of the Center for SETI Research at the SETI Institute in Mountain View, California. |
 | Astro Confidential: Learn how this astronomer first became interested in the field. Juna Kollmeier is an astronomer with the Observatories of the Carnegie Institution in Pasadena, California. |
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