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Current Issue

March 2010

Astronomy magazine

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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. Subscribe now online and get Astronomy delivered to your door.

Features

New visions reveal the violent universe

The Fermi Gamma-Ray Space Telescope is peering into active galaxies, pulsars, and gamma-ray bursts — and even quantum gravity.

By Francis Reddy

Web extra: Watch a pulsar's plasma eruprt

Scientists using NASA's Fermi Gamma-ray Space Telescope have discovered pulsars that apparently pulse only in gamma rays.

By Richard Talcott

What we've learned about a strange new world

Cassini's 5-year exploration has revealed the saturnian moon's atmosphere, mountains, dunes, rivers, lakes, and seas. And we should expect many more discoveries.

By Michael Carroll

Web extra: Titan: Earth's cousin?

This saturnian moon could be the Earth of the outer solar system.

By Liz Kruesi

Astronomy's 5 big questions

Science now looms closer than ever to solving the biggest mysteries in the universe.

By David J. Eicher

Web extra: 5 more astronomy questions

Find answers to questions about the number of planets in the solar system, the search for extraterrestrial life, and more.

By David J. Eicher

Totality crosses Easter Island

Here's what you need to know if you're planning to see July's solar eclipse.