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October 1973

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 Hurtling Moons of Barsoom

Sky Almanac

Parade of Planets Herald D.S.T. Demise at Month's End - Mars - Jupiter - Venus - Saturn - Mercury - Asteroids - Alberio

October Variable Star

- Delta Cephei

Stellar Frontiers

Hercules X-1: How to Weigh a Pulsar

October Star Dome

Gazer's Gazette Kohoutek

Great Comet of the Century

Authors

Bibliographies

Photography in Astronomy Integration Printing

An Aid to Long Exposure Astrophotography

Star Gallery

Constellation Close-up

Pisces

Memo from the Publisher

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