May 1979

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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

A Voyage to Jupiter

pg. 6

pg. 11

Europa and Ganymede

pg. 14

Callisto

pg. 18

The Great Red Spot

pg. 20

In Focus

pg. 25