May 1975

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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 Search for Intelligence

By Ben Bova

pg. 6

Countdown to 2001

By James E. Oberg

pg. 18

Comet Exploration from Space

By Eric Burgess

pg. 28

Sky Almanac

Major Moon Eclipse Highlights May Sky Show

pg. 34

Gravity Map Shows Volcanically Lopsided Moon

pg. 38

Astro-Mart

pg. 40

Stellar Frontiers

By Gerrit L. Verschuur

Retesting Relativity

pg. 44

Publisher's Memo

pg. 48

Gazer's Gazette

Lunar Eclipse of the Decade

pg. 50

Photography in Astronomy

By Leo C. Henzl, Jr.

Astrophotographic Routes

pg. 55

May Star Dome

pg. 67

Close-Up on the Corvus/Crater Region

pg. 69

Eyepiece Impressions

pg. 71

Planet Finder - May 1975

pg. 76

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

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

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