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December 1992

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

Building the Glass Giant of Palomar

An eclectic mix of talented individuals saw the 200-inch Hale telescope to completion.

A New Member of the Family

An icy body beyond Pluto may be a miniplanet or huge comet.

Ice Ages of Mars

Astronomers ask if mighty glaciers and rivers once carved and scoured the surface of the Red Planet.

Giving Birth to Supernovae

Any of ten nearby stars could be the next one to explode.

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