March 1985

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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

Comets: Keys to Our Solar System

By Debra Meloy Elmegreen

pg. 6

The Return of Halley's Comet

pg. 12

Comets, "Death Stars," and Extinctions

By Ray Grasshoff

pg. 18

Forum

Planetary Astronomers Meet in Hawaii

pg. 24

In Focus

pg. 32

Behind the Scenes

pg. 33

Gazer's Gazette

By David J. Eicher

Stars of the Circumpolar South

pg. 34

Astronomy Reviews

pg. 39

Eye on the Sky

By Fred Schaaf

Venus' Dramatic Exit

pg. 42

Photography in Astronomy

By Robert Reeves

Making an Astrophotographic Mosaic

pg. 51

AstroNews

pg. 60

AstroCalendar

pg. 64

AstroMart

pg. 65

Stellar Frontiers

Earth, Water, Sky: The 14th Flight of the Shuttle

pg. 66

Equipment Atlas

By Steve Edberg

Build a Simple Folded-Refractor Telescope

pg. 76

The Backyard Astronomer

Cancer

pg. 78

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

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

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