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November 2009 | The November 2009 issue of Astronomy magazine explains how scientists are searching for the mysterious particles that make up 90 percent of the universe’s mass, reveals how an amateur astronomer’s discovery has influenced what we know about X-ray outbursts from young stars, suggests 10 extragalactic train wrecks to observe, and more. The issue hits newsstands October 6.
Video: Editor David J. Eicher previews the November 2009 issue.
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Features What do we really know about dark matter? By
Liz Kruesi Some type of mysterious, invisible mass holds the universe together. Here's how scientists are searching for it. |
pg. 28 |
Astronomy: the next generation By
Ray Villard Beyond 2020, telescopes will be huge, cost-effective, and easy to service - even the ones in space. |
pg. 34 |
By
Michael E. Bakich One of the tools that will help guide Altair is the Autonomous Landing and Hazard Avoidance Technology (ALHAT) project. |
How an amateur changed stellar astrophysics By
Adam Frank Thanks to Jay McNeil's discovery, we may soon know what feeds X-ray outbursts from young stars. |
pg. 48 |
By
Daniel Pendick This animation will give you a close-up look at the 2004 outburst of the young star V1647 Orionis and McNeil's Nebula. |
Watch as galaxies collide By
Alan Goldstein Even at vast distances, galaxies twist and distort each other into weird shapes. Target these 10 fascinating extragalactic train wrecks. |
pg. 56 |
By
Alan Goldstein Check out these 10 additional galactic train wrecks. |
Face to face with the century's longest eclipse By
Michael E. Bakich, David J. Eicher, Richard Talcott As the Sun and Moon aligned over Asia, daytime turned to night, and millions witnessed nature's grandest spectacle. |
pg. 60 |
By
Michael E. Bakich One of Astronomy's senior editors shares images from his trip. |
Departments This Month in Astronomy Beautiful Universe Astro Confidential Letters Web Talk Bob Berman's Strange Universe Stephen James O'Meara's Secret Sky Extreme observing: naked-eye galaxies |
Astro News The Sky this Month Ask Astro Glenn Chaple's Observing Basics David H. Levy's Evening Stars Telescope Insider New Products Advertiser Index Deep-sky Showcase Reader Gallery
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