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May 1990

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

The Coolest Stars

The warm atmospheres of red giants are the stellar recycling plants of the Galaxy.

A New Look at the Crab Nebula

The latest radio observations present an intriguing view of this famous supermova remnant.

Solar System Chaos

A little chaos can make predicting the motions of moons and planets very uncertain.

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