March 2011

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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

Secrets beneath the Moon's surface

By Bruce Dorminey

A landscape of craters and volcanic plains hides a molten core, numerous moonquakes, and keys to the still-mysterious lunar history.

pg. 24

Web Extra: A giant leap toward understanding the Moon

By Richard Talcott

Our next-door neighbor began to reveal many of its secrets 4 decades ago when astronauts first ventured beyond the control of Earth’s gravity.

The Crab Nebula's everlasting mystery

By Bill Andrews

Since A.D. 1054, when its light first reached Earth as a supernova, the Crab Nebula has remained an enigma. Here’s how astronomers presently understand this strange system.

pg. 30

Web Extra: Go beyond the Crab

By Bill Andrews

Even though its eccentricities make M1 a worthwhile target, there’s plenty of other “exploded stars” out there to observe.

How a Nashville boy changed the universe

By David J. Eicher

Edward Emerson Barnard's discoveries encompass comets, dark nebulae, and Jupiter's fifth moon. Although he started in poverty, he rose to the top of the scientific world.

pg. 44

Web Extra: Images from a great astronomer’s life

By David J. Eicher

Browse more than 50 images from the life and times of Edward Emerson Barnard.

Roam the majestic Virgo cluster of galaxies

By Tom Polakis

Within a small region of the celestial sphere, you can enjoy many of the sky's top galaxies.

pg. 52

Piggyback astroimaging

By Michael A. Covington

Let a telescope take your camera for a ride and capture amazing sky vistas.

pg. 56