October 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

Supernova 1987A 20 years later

by Richard Talcott

The brightest supernova since the telescope's invention taught astronomers a great deal about exploding stars - and points out a lot they still don't know.

Web extra: Did Supernova 1987A leave behind a pulsar?

by Richard Talcott

Astronomers feel confident SN 1987A left behind a rapidly spinning neutron star. Despite extensive searches and a few false detections, however, the quest to find it has turned up empty.

How the Big Bang forged the first elements

by Adam Frank

Nuclear reactions in the universe's first minutes made the lightest elements. This find changed scientists' minds about cosmic origins.

Web extra: Alpher, Herman, and the CMB

by Francis Reddy

In 1950, two young physicists estimated the cosmic microwave background's temperature - and nearly got it right.

Family ties reveal asteroid origins

by Dan Durda

Tracing the history of space rocks uncovers a cluster with a common origin.

Web extra: Asteroids redden as they age

by Laura Layton

An asteroid's color reveals the effects of space weathering.

"Come see the Moon!"

by Phil Scott

One night, sidewalk astronomer Jeffrey Jacobs offered the Moon. But would skeptical New Yorkers accept the gift?

Web extra: How to enjoy urban skies

by Daniel Pendick

There is plenty to see, despite the glare of light pollution.

Illustrated: Mars in high def

by Richard Talcott

The Red Planet explodes with detail under Mars Reconnaissance Orbiter's amazing cameras.

Observe autumn's best nebulae

by Richard Jakiel

Intricate gas clouds and sparkling stars await you.

Web extra: Observe autumn's best nebulae

by Michael E. Bakich

Use this software and your Meade telescope to observe all the objects from listed in Astronomy's October 2007 issue.

Astronomy thrives in Texas

by Robert Reeves

Find your astronomical adventure in the Lone Star state.

Sky-testing William Optics' new refractors

by Raymond Shubinski

Sharp optics in two beautiful packages make these telescopes easy to look at and easier to look through.

Experience Meade's new eyepieces

by Mike D. Reynolds

Choosing the right eyepiece is easy with Meade's Series 5000 oculars.

Departments

This month in Astronomy

Beautiful universe

Letters

Bob Berman's strange universe

Web extra: Spying the sky's wet quarter

Stephen James Oт??Mearaт??s secret sky

Advertiser index

Reader gallery

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October 2007

Features

Supernova 1987A 20 years later

How the Big Bang forged the first elements

Family ties reveal asteroid origins

"Come see the Moon!"

Illustrated: Mars in high def

Observe autumn's best nebulae

Astronomy thrives in Texas

Sky-testing William Optics' new refractors

Experience Meade's new eyepieces

Departments

Web extra: Spying the sky's wet quarter

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THE MAGAZINE

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