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April 2008 |
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The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level. |
Features Searching for the shape of the universe By
Steve Nadis Inflation, an early period of cosmic hyper-expansion, may be the key to proving the universe has six extra dimensions. |
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Francis Reddy Exploring the cosmic microwave background may give scientists insight into the shape of inner space. |
250 million years ago, did an asteroid nearly end life on Earth? By
Joel Davis Scientists may have found the smoking gun. |
By
Joel Davis Scientists can choose from a growing menu of proposed causes for the end-Permian extinction. Here are the leading contenders. |
Did molecules from space seed life in the cosmos? By
Bruce Dorminey Astronomers have detected more than 150 different molecules in interstellar space. Scientists are studying how these molecules might have jump-started life. |
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Richard Talcott The Atacama Large Millimeter Array will provide radio astronomers an unprecedented combination of sensitivity and resolution. |
Spot spring's 11 best globular clusters By
Steve Coe From Omega Centauri to M5, spring's globulars offer diverse targets for all observers. |
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Michael E. Bakich Download this Meade Autostar tour and you'll be observing great globulars in no time. |
How historic observatories will survive By
Jeremy McGovern Light pollution and technological advances have forced many classic observatories to redefine their roles. |
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Jeremy McGovern The Antique Telescope Society convenes a workshop at the Cincinnati Observatory Center to address problems facing historic observatories. |
How to observe the Sun By
Michael E. Bakich With a good solar filter, you can see sunspots, flares, and other hot stuff. |
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Michael E. Bakich Use this guide to determine the type of sunspot you're observing. |
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Michael E. Bakich Add precision to your sunspot counts. |
Capture images of our local star By
Damian A. Peach Thanks to a wide array of solar filters, shooting high-quality solar images is a snap. |
Obsession's new 18-inch scope By
John Shibley Usually, observers don't describe 18-inch telescopes as compact and portable. This one, however, is both. |
Departments This month in Astronomy The weirdest cosmology story ever Web talk Letters Bob Berman's strange universe Glenn Chaple's observing basics Reap the awards of amateur astronomy |
Phil Harrington's binocular universe Get a head start on the Hydra |
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Phil Harrington The sky's largest constellation sports many binocular gems to fill your nights. |
Stephen James O'Meara's secret sky How to find a Space Needle in a haystack |
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Daniel Pendick Hubble images take you to the heart of the Vela Supernova Remnant. |
News Hubble gazes at red alien sunsets, “death star” blasts neighboring galaxy, and Mars’ habitable past The sky this month The Moon grazes the Pleiades Ask Astro Stardust’s NEXT mission targets Comet Tempel 1 By
Jeremy McGovern Bill Cooke of NASA's Marshall Space Flight Center answers this question. |
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