Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.astronomy.com/issues/2007/february-2007
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February 2007 | Astronomy.com
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February 2007

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

What if string theory is wrong?

by Sten Odenwald
If it is, then dark matter, dark energy, and cosmic inflation are in big trouble.

Mars like you've never seen it

by Alfred S. McEwen
The first color images from the Mars Reconnaissance Orbite's high-resolution camera show details not much bigger than a bread box.

What makes Mira tick?

by Robert Zimmerman
Changes in this star''s complex atmosphere power its pulsations.

How astronomers glimpse the naked galaxy

by Robert Benjamin
By observing in infrared wavelengths, astronomers peer through obscuring dust and reveal the Milky Way''s spiral structure.

Online extra: Infrared scavenger hunt

Enjoy a dozen more great images from Spitzer.

When planets stray

by Francis Reddy, Dana Berry
Wayward worlds unleash a rain of ruin in their neighborhoods.

Online extra: A solar-system fairy tale

Once upon a time, two giants roughed up the neighborhood.

Explore winter's 12 best star clusters

by Steve Coe
These must-see stellar treats look their best in winter's crisp, clear air.

Online extra: Enjoy more star clusters

Here''s a mini photo album of winter''s best.

Big bang for your astronomy bucks

by Michael E. Bakich
A few dollars can add value to your observing kit.

Simple steps to save the night sky

by Bob Gent
Light pollution is a growing problem, but you can help curtail it.

Online extra: Meet the Night Sky Team

Rangers work to preserve the dark night skies above our national parks.

Get the most from CCD images

by Adam Block
CCD cameras are revolutionizing astroimaging, enabling amateurs to capture more detail than ever.

Celestron's SkyScout

by Glenn Chaple
No telescope? No problem. Just pull out this handheld device, and you'll be identifying stars in no time.

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Beautiful universe
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Missing shadows

Glenn Chaple's observing basics

Watching the sky move

Phil Harrington's binocular universe

The hunter becomes the hunted

Phil Harrington binocular universe (February 2007 online extra)

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The ringed planet dazzles

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Magnetic fields in neutron stars

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