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September 2005

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 happens when galaxies collide?

Bursts of star formation and tails of debris litter the cosmos whenever galaxies meet.

How the universe has surprised us

Unexpected phenomena have steered astronomy in new directions.

Ready, set, boom!

An expanding bubble enriches the galaxy and may help life begin.

Evolution at the edge

Astronomers find that comets are not the pristine relics we thought they were.

Discover fall’s splendid sky sights

Colorful doubles and stellar death shrouds are among tonight’s deep-sky wonders.

The day the Sun disappeared

Astronomy editors went to two exotic locales to bask in the Moon’s shadow.

Stalking star clouds

A small telescope and bright sky don’t stop this imager’s hunt for the big and beautiful.

Explore the sky with classic glass

Telescopes from the golden age of observing provide collectors with great views.

Departments

This month in Astronomy
Letters
Bob Berman's strange universe
Glenn Chaple's observing basics
Phil Harrington's binocular universe

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News
The sky this month
New products
Book reviews
Coming events
Advertiser index
Resources
Reader gallery
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