February 2005

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.

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Features

Einstein’s century

Relativity turns 100

by
Richard Panek

One hundred years ago, while working in the Swiss patent office, Albert Einstein invented a theory that touched off a revolution in physics. How did he do it?

The man who remade the universe

by
Robert Burnham

Einstein’s theories made him the world’s most famous scientist, but he also made his mark in politics.

Relativity’s infinite beauty

by
James S. Trefil

In the 20th century, general relativity became the preeminent theory for
decoding the cosmos. In the coming century, relativity will blaze new trails even as other theories try to supercede it.

Cassini/Huygens at Titan

by
Richard Talcott

When the Cassini spacecraft swooped past Titan in October, it got a super view of this enigmatic Saturn moon.

See a star die

by
Doug Snyder

Planetary nebulae — remnants of dead stars — are some of the most
beautiful celestial objects. Learn why these cosmic cadavers shine the way they do and which are the most dazzling to observe.

Explore a lunar debris field

by
Robert Burnham

Impacts transformed the region of lunar crater Janssen and the Vallis Rheita. The formation of huge, nearby basins pocked this area, making it look like a galactic battlefield.