Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.astronomy.com/issues/2013/december-2013
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December 2013 | Astronomy.com
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December 2013

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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

Speaking the language of the cosmos

by Bob Berman
Let's take the scare factor out of equations and ask scientists a fundamental question: How much of astronomy is math?

Web Extra: 10 top equations in astronomy

by Sarah Scoles
Astronomers use math every day, and these 10 equations are some of their favorite tools.

Torrid Mercury's icy poles

by James E. Oberg
The MESSENGER spacecraft reveals water ice lurking in deeply shadowed craters.

Web Extra: Mercury in the spotlight

by Richard Talcott
Planetary scientists have discovered water ice at Mercury's poles that may have survived for billions of years, but other parts of this world seem surprisingly young.

Spacecraft: Where are they now?

by Yvette Cendes
What happens after planetary missions end?

Behind the scenes at Celestron

by Michael E. Bakich
For more than 50 years, this innovative company has helped amateur astronomers observe the sky.

Comet ISON's dazzling all-night show

by Richard Talcott
This cosmic interloper should remain a grand sight throughout these long December nights.

Web Extra: Everything you need to know about Comet ISON

Check out Astronomy.com's complete coverage of this visitor from the outer solar system.

11 top winter binocular gems

by Phil Harrington
One supernova remnant, two double stars, and eight clusters beckon cold-weather skygazers.

Web Extra: 10 great winter binocular sights

by Phil Harrington
All you need besides a clear, dark sky to see some fantastic seasonal sky treats are your binoculars.

Grab a Cometron scope to view Comet ISON

by Mike D. Reynolds
Celestron has made a pair of low-cost telescopes for beginners watching the great sky show.

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Radiation in space

by Bob Berman
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Six naked-eye wonders in Orion

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Fun facts for star party standouts

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Shooting with a DSLR

by Tony Hallas
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Capturing comets

by Erika Rix

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