April 1981

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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

The Tektite Controversy

By Joel Davis

pg. 6

Mining a Meteor Crater

By Andrew Maslowski

pg. 18

Forum

- President Reagan: Go For It! - The Soviet Space Shuttle: What's It For?

pg. 24

Eye on the Sky

By Fred Schaaf

The Beasts of Spring

pg. 30

In Focus

pg. 36

Behind the Scenes

pg. 37

Photography in Astronomy

By Roger Sliva

Hypersensitizing, Part 1

pg. 39

Equipment Atlas

All the Angles on Magnification

pg. 47

Gazer's Gazette

By Earle F. Dodds

Image Orientation

pg. 52

AstroNews

pg. 58

Astronomy Reviews

pg. 64

Stellar Frontiers

By Charles Pellegrino

The Fallen Sky

pg. 66

AstroMart

pg. 72

Through the Eyepiece

Close-up on Corvus/Crater/Eastern Hydra

pg. 78

	Sun	Sun	Moon
RISE	—		—	PHASE	—
SET	—		—	DISK	—

	Mercury	Mercury	Venus	Venus
RISE	—		—
SET	—		—
		—		—

	Mars	Mars	Jupiter	Jupiter	Saturn	Saturn
RISE	—		—		—
SET	—		—		—
		—		—		—