December 2006

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

Does antimatter matter?

by Ray Jayawardhana

Matter edged out antimatter to make possible the universe we know. But no one yet knows how.

Online extra: Is there an antimatter rocket in your future?

by Francis Reddy

Propelling spaceships with antimatter may be closer to reality than you think.

Zeroing in on martian water

by Alfred S. McEwen

A new orbiter will return more data than all previous missions combined to lead NASA to the Red Planetт??s buried water.

Can we send a spacecraft to the Sun?

by David J. McComas

NASAт??s proposed Solar Probe stretches technology and material science to their torrid limits.

Online extra: The Solar Probe flyby

by Brian Grimm

Astronomers hope a proposed mission to study the Sun becomes reality.

The Sun's biggest blasts

by Francis Reddy

Coronal mass ejections, our star's largest eruptions, shoot billions of tons of plasma into space.

All about the Horsehead Nebula

by Raymond Shubinski

The skyт??s most famous dark nebula intrigues amateur imagers and provides astronomers clues to the nature of interstellar space.

How to make a lunar mosaic

by Robert Reeves

A renowned astroimager shoots the Moon using an inexpensive webcam.

Online extra: Shoot the Moon

by Laura Layton

Try these tips to create your own lunar mosaics using a webcam.

Pluto gets the boot!

by Francis Reddy

An historic vote pushes Pluto aside, but some scientists are crying foul.

Online extra: How we lost Pluto

Follow Astronomy''s coverage of Pluto, politics, and the planet paradigm.

18 must-read books for cloudy nights

by Liz Kruesi

Explore the Moon and Mars, investigate gravity, introduce yourself to the stars, and hold the universe in your hands.

Departments

This month in Astronomy

Beautiful universe

Letters

Bob Berman's strange universe

A celestial bull ride

News

The sky this month

Advertiser index

Reader gallery

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December 2006

Features

Does antimatter matter?

Zeroing in on martian water

Can we send a spacecraft to the Sun?

The Sun's biggest blasts

All about the Horsehead Nebula

How to make a lunar mosaic

Pluto gets the boot!

18 must-read books for cloudy nights

Departments

A celestial bull ride

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THE MAGAZINE

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