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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.
Just one in three Americans believes the universe was created in a cosmic explosion. Here are five reasons why everyone should.
Astronomers have 900 years to avoid the possibility, albeit small, of a kilometer-wide asteroid impact with Earth.
The mysteries of Saturn's rings exasperated Galileo. This information would've lowered his blood pressure.
Shadow Play around Jupiter
Take eclipse watching to a new level. For the next year, Jupiter's four big moons will repeatedly obscure one another.
Celestial Portraits: Auriga
Glittering clusters and vast gas clouds populate the Milky Way in the constellation of the Charioteer.
An Eye for Luxury
The 12.5-inch Ritchey-Chretien scope from RC Optical Systems proves an ideal choice for backyard astroimagers.
Beer brewer William Lassell was the British "Grand Amateur" of the 19th century - an innovative instrument designer, telescope maker, and discoverer of planetary satellites and nebulae.
Behind the Scenes
Big Bang Brouhaha
- Explosion Rocks Centaurus A
- Global Cooling Strikes Pluto
- Magnetars Multiply
- A Planet Bites the Dust
- Black Holes Rage in Old Age
- Comets Split Far from Sun
- First Forecast: Cloudy; No Rain
Saturn puts on its best show in decades, while Geminid meteors streak across the sky.
The Savvy Astronomer
- Eclipse Timer
- Calendars Galore
- Setting Sail for the Universe
- Storms from the Sun
- The Webweaver Picks
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