August 2011

Subscribe today and save!
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

Understanding antimatter

By Alexander Hellemans

All matter and antimatter should have annihilated each other early in the universe's history. So, what allowed matter to survive?

pg. 24

Web Extra: Trapping antimatter

By Liz Kruesi

CERN scientists have produced and captured antihydrogen atoms.

Storm warning

By Michael Carroll

From Mars' tenuous carbon dioxide atmosphere to Jupiter's hydrogen-rich envelope, the solar system's worlds provide an often-bewildering array of planetary weather.

pg. 30

Web Extra: A pair of planetary conundrums

By Michael Carroll

Some scientists think acid rain may not be the oddest form of precipitation on Venus. And on Saturn, researchers can’t measure precise wind speeds because they don’t know how fast the planet rotates.

What happened to science education?

By Bill Andrews

Test scores are down, ignorance is rampant, disinformation is everywhere, and nobody seems to care.

pg. 44

Web Extra: Astronomy's favorite equations

By Bill Andrews

Be they useful, powerful, or beautiful, these relationships represent a few of our favorite things about science.

Join the Astronomical League's observing clubs

By Kenneth Wilson

Become a better observer by taking carefully planned tours of the sky.

pg. 50

Why teens should care about astronomy