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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.
Inflating the Cosmos
Cosmologists believe that the universe grew at a phenomenal rate in the instant just after the Big Bang.
Ka-Boom! How Stars Explode
For decades astronomers tried to decipher exactly how stars explode. Now recent models suggest neutrinos provide the missing kick to nature's most violent events.
Observer of the Gas Giants
Planetary scientist Heidi Hammel revels in the surprisingly dynamic atmospheres of the outer planets.
Something Instead of Nothing
How did the universe arise out of the nothingness that preceded the Big Bang?
Before Galaxies Were Galaxies
By searching deep into the cosmos, astronomers may soon understand how galaxies formed.
Dusty Infant Stars: A Fine Sight
Nearby open star clusters, such as the Pleiades, Hyades, and much of the Big Dipper, offer a visual treat even when seen with little or no optical aid.
Celestron's Big Bad Cat
This 9-1/4-inch Schmidt-Cassegrain telescope provides a large aperture in a portable package.
A leading astronomer answers your questions.
Observing Perek-Kohoutek Planetaries
Although they aren't the brightest objects in the sky, these softly glowing planetary nebulae make fine targets for big telescopes.
Stargazing at Kitt Peak
America's national observatory opens its doors to amateurs wanting to observe from their premier site.
Behind the Scenes
About Our Facelift
- Hubble: A Weather Satellite for Mars
- An Ocean on Jupiter's Moon Europa?
- Smoking Gun for a Gamma-Ray Burst?
- The First Intergalactic Stars
- SOHO Views the Sun
- A Global View of Io
- Dusty Disk Found around Binary Star
- Hubble Solves Procyon Mystery
- Galileo to Keep Flying
- Closeup of Supernova Remnant
- High-Resolution Optical Images
- Quasars Surrounded by Normal Galaxies
- The Whole Shebang: A
- Time Travel
- Space Travel
- The Earth Centered Universe, Version 3.0
- Planet Watch Pro
Meetings and Events
Resources & Photofacts
Uranus and Neptune shine at their brightest this month, which also sees several mutual events among Jupiter's moons.
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