May 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

Cosmology: 5 things you need to know

by Liz Kruesi

Troubled by Hubble's law? Perplexed by the Big Bang? Tune up your cosmic knowledge with answers to cosmology's big questions.

Online extra: The CMB illuminated

by Francis Reddy

Put the universe''s "earliest light" in perspective.

How to make 20 million galaxies

by Steve Nadis

Astronomers transformed 25 terabytes of data into virtual galaxies to investigate cosmic evolution.

Online extra: Cosmic evolution in a computer

by Laura Layton

Watch 10 billion particles evolve into 20 million galaxies in this movie of the Millennium Run simulation.

Seeing the red limit

by Scott Dodelson

Here's everything you need to understand how astronomers measure cosmic distances.

The Great Comet of 2007

by Richard Talcott

Observers around the world got spectacular views of Comet C/2006 P1 (McNaught) - the brightest comet in 42 years.

Reflections on two comets

by Geoff Chester

Comet McNaught's multi-spiked tail bore a striking resemblance to that of 1744's great comet.

All about the Hercules Cluster

by Raymond Shubinski

Globular clusters like M13 helped astronomers refine our galaxy''s structure.

Online extra: Autostar tour of 25 globular clusters

by Michael E. Bakich

Leading off with M13, take a tour of these deep-sky gems with your Meade go-to telescope.

How to avoid the astronomy blues

by Mark M. Marcotte

Many telescope buyers become discouraged after a short time. Here's how I evaded that trap.

Deep-sky-object hunter

by Mark M. Marcotte

Meade's LightBridge will help you see faint details in distant targets.

Departments

This month in Astronomy

Beautiful universe

Letters

Bob Berman's strange universe

Gone to the dogs

Stephen James O'Meara's secret sky

Advertiser index

Reader gallery

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May 2007

Features

Cosmology: 5 things you need to know

How to make 20 million galaxies

Seeing the red limit

The Great Comet of 2007

Reflections on two comets

All about the Hercules Cluster

How to avoid the astronomy blues

Deep-sky-object hunter

Departments

Gone to the dogs

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