June 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

Probing the Chemistry of Galaxies

By Gregory A. Shields

pg. 6

The Changing Immutability of the Heavens

By William Siletti

pg. 16

Forum

- Jay U. Gunter - Bruce Margon and SS-433

pg. 24

Eye on the Sky

By Fred Schaaf

Venus Returns as the Evening Star

pg. 30

In Focus

pg. 36

Behind the Scenes

pg. 37

Gazer's Gazette

By F. Michael Witkoski

Observing Planetary Nebulae

pg. 39

Equipment Atlas

By Carl Fischer

Is Bigger Always Better?

pg. 48

Photography in Astronomy

Getting the Correct Exposure

pg. 51

AstroNews

pg. 58

Astronomy Reviews

pg. 62

Stellar Frontiers

By Anthony J. Nicastro

Flare Stars

pg. 67

AstroMart

pg. 72

Through the Eyepiece

Close-up on Virgo

pg. 78

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

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

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