July 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

Publisher's Memo

pg. 4

The Quest for Life on Mars

By Thomas A. Easton

pg. 6

The Age of Nearby Stars

By Jeffrey L. Kretsch

pg. 22

An International Space Venture

By James E. Oberg

pg. 28

Stellar Frontiers

By Gerrit L. Verschuur

Mysteries of the Galactic Core

pg. 34

In Focus

pg. 39

Sky Almanac

Venus Reaches Greatest Brilliance

pg. 44

Astronomy Reviews

pg. 48

Photography in Astronomy

By Leo C. Henzl, Jr.

Equipment for Guided Astrophotography

pg. 50

Astro-Mart

pg. 57

Astro-News

pg. 61

July Star Dome

pg. 66

Close-Up on the Bootes/Corona Borealis Region

pg. 67

Eyepiece Impressions

pg. 69

Planet Finder - July 1975

pg. 76

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

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

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