COVER STORY
The first billion years
After the release of the cosmic background radiation, darkness fell over the universe. ADAM FRANK
Seeing red
Color is the key to understanding asteroid family histories. PETER AND ROBERT JEDICKE
Supernova aftermath illustrated
A supernova’s impact lives on long beyond its fading light. FRANCIS REDDY; ILLUSTRATION BY DANA BERRY
How we discovered Pluto’s new worlds
Planetary scientists S. Alan Stern and Hal Weaver take us inside the search for new worlds.
Are Pluto and Earth two of a kind?
Pluto's three satellites, like Earth's Moon, may have formed from a giant collision. RAY VILLARD
Stargazing in ancient Egypt
The sky inspired Egyptians in science, art, and architecture. PATRICIA BLACKWELL GARY AND RICHARD TALCOTT
Tour summer’s great globulars
Sure they’re all round, but each globular cluster offers a different view through a telescope. STEVE COE
All hail the king
This guide will help you get the most from observing Jupiter at its best. MICHAEL E. BAKICH
Relive the Red Planet’s big show
Astroimagers captured their best views of Mars this past year. DONALD C. PARKER
Vixen’s go-anywhere scope
This lightweight refractor combines optical and mechanical excellence, portability, and ease of use. MIKE REYNOLDS
Astronomy, 2006, June