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November 2007 | Astronomy.com
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November 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

The secret lives of black holes

by Steve Nadis
A black hole's spin may power gamma-ray bursts and galactic jets. But its rotation has been hard to measure - until now.

Web extra: An animated look at black-hole spin

by Francis Reddy
See what astronomers are talking about with these animations of black holes.

Earth of the outer solar system

by Michael Carroll
Each Cassini flyby of Titan fills in the details of this frostbitten saturnian moon shaped by forces identical to those that sculpted Earth's surface.

Web extra: Titan: the new Earth?

by Daniel Pendick
Images from orbit highlight striking similarities between Earth and Titan.

The priest, the universe, and the Big Bang

by YaÓ?l NazÓ?
A Belgian priest's extraordinary insights anticipated modern cosmology's most fundamental ideas.

Web extra: LemaÓ?tre, the calculator

by Francis Reddy
The Belgian priest loved crunching numbers, and he embraced technology that helped him do it.

Illustrated: Making sense of galaxies

by Francis Reddy, Kellie Jaeger
Astronomers' efforts to explain galaxy types brought them from a tuning fork to a lemon.

How to observe variable stars

by Michael E. Bakich
If your observing list doesn't contain variable stars, here's an easy guide to some of the finest.

Web extra: Presto change-o!

by Michael E. Bakich
Watch these stars' brightnesses change before your very eyes.

Who will save us from a killer asteroid?

by Robert Reeves
Meet astronomers on the front lines of protecting Earth.

Web extra: Tunguska's deep impact

by Daniel Pendick
Researchers may have discovered a previously unknown scar from the 1908 Tunguska meteor explosion: a deep crater lake.

Astrolight reflectors offer quality optics

by Phil Harrington
Parks Optical's 6- and 8-inch Newtonian reflectors deliver top-notch optics at a reasonable price.

Is LASIK for you?

by Daniel Pendick
Like any surgery, laser vision correction has pros and cons - especially for observers.

Web extra: Tough questions for your prospective eye surgeon

by Daniel Pendick
Don't be reluctant to "interview" your doctor before you have LASIK or other vision-correction procedures.

Departments

This month in Astronomy
Letters
Bob Berman's strange universe

Web extra: Hall of mirrors

Glenn Chaple's observing basics

Web extra: Spy a solar system wanderer

Phil Harrington's binocular universe

Web extra: Phil Harrington's binocular universe (November 2007 web extra)

Web extra: The sky's Triangle

Stephen James O'Meara's secret sky

Web extra: Dancing to a deaf wind

News
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Web extra: Mercury's great display before dawn

Ask Astro

Web extra: Moon flag

Web extra: Far sight

Web extra: Rogue asteroid

Web extra: Stretch or rip?

Web extra: Map use

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