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August 1989

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

Searching for the Waters of Mars

Water once flowed on Mars, but where has it gone?

Approaching Neptune

This month Voyager 2 will bring us face to face with Neptune, the last stop on its Grand Tour of the solar system.

Inside Orion's Stellar Nursery

The Orion Nebula hides a rich star-forming region.

The Day the Sun Cut Loose

On March 13, 1989, a shock wave from the largest solar flare in thirty years slammed into Earth.

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