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March 2012 | Astronomy.com

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March 2012

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March 2012

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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

Probing Einstein's relativity

by Liz Kruesi

Through the Gravity Probe B experiment, scientists developed cutting-edge technologies on the journey to test gravity.

Web extra: The first test of Einstein's gravity

by Liz Kruesi

Scientists first found evidence that general relativity was correct about four years after Einstein published his theory.

Dead stars and doomed planets

by John H. Debes, Marc J. Kuchner

When the Sun dies, it will become a white dwarf surrounded by the decaying remnants of planets, asteroids, and comets. Astronomers are watching similar fates befall dozens of other systems in our galaxy.

Flying in Pluto's shadow

by Richard Tresch Fienberg

NASAт??s new airborne observatory can travel nearly anywhere, including to the elusive center of a distant planet's shadow on Earth.

Web extra: See more SOFIA

by Bill Andrews, Richard Tresch Fienberg

Whether on the ground or in the air, NASAт??s flying observatory is a wonder to behold.

2012 т?? a historic year for solar eclipses

by Richard Talcott

Two solar eclipses т?? one total and one annular т?? and the last transit of Venus until 2117 make this a stellar year for observers.

Web extra: Catch May's annular eclipse

by Karri Ferron

Find the details about the event for your location.

How robotic telescopes are changing astronomy

by Russell M. Genet

Automated observatories run telescopes themselves, allowing astronomers to focus on the results.

Create the ultimate observing charts for free

by Alan Goldstein

Professional astronomers count on two websites for vast amounts of reliable data. Now amateurs are discovering how to use them for observing.

Columns

Cosmic phantoms

by Bob Berman

A tale of two marathons

by Glenn Chaple

The raspberry "beret"

by Stephen James O'Meara

What to do about satellite trails

by Tony Hallas

Departments

The Sky this Month

Mars returns to glory

Ask Astro

Solar shadow

Astronomical brightness

Collisions happen

Stellar creation

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Beautiful Universe
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Reader Gallery

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Searching for Far Out and Wandering Worlds

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An artificial comet holds secrets to Earths life

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Young super-Jupiter found wandering without a parent

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Searching for aliens who already know we're here

A gamma-ray burst hints that LIGO's double black holes started as one massive star

Pluto's largest moon may have once had an ocean

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