June 1993
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 Sands of Mars
Most of Martian history may lie hidden in the planet’s drifts and dunes.
A Peculiar Twist
A twisted, dusty disk in the galaxy NGC 4753 reveals massive amounts of dark matter.
The Age Paradox
Why do stellar astronomers argue that the universe is billions of years older than cosmologists think?
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