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December 2020

ASYCV1220
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.

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20 years around the Red Planet

by Nola Taylor Redd
Mars Odyssey’s future remains unknown, but a lack of advocacy might indicate its end is near.

Shining light on dark nebulae

by Richard P. Wilds
Take a tour of some of the Milky Way’s best shadowy dust clouds, as seen by the Gaia spacecraft.

The mystery and majesty of the ice giants

by Joel Davis

Nearly 40 years after Voyager 2 visited Uranus and Neptune, scientists are eager for new expeditions.

Chill with year-end meteors

by Michael E. Bakich
Think the Perseids are the only shower worth watching? Think again.

Get ready for Starmus VI

by Michael E. Bakich
The world-renowned festival announces a landmark event dedicated to Mars in 2021.

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The best conjunction ever

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A penumbral challenge

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Dissecting Andromeda

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