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August 2015

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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.

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Searching for the universeò??s background glow

by Liz Kruesi
The cosmos is awash in the faint light of the extragalactic background. Where does it all come from?

Web Extra: Gamma raysò?? long road toward Fermi

by Korey Haynes
Watch a gamma ray travel from its source in a faraway galaxy, through the extragalactic background, and finally to Earth, where the Fermi telescope can measure it.

A fresh look at Mars

by Jim Bell
Seven spacecraft continue to scour the Red Planet for signs of ancient water and conditions conducive to life.

Web Extra: Through the eyes of the magnificent seven

by Richard Talcott
An armada of spacecraft continues to explore the Red Planet, revealing deep-held secrets and raising new mysteries.

Kitt Peak Observatoryò??s second chance at life

by Eric Betz
The next generation of mega telescopes promises to democratize astronomy, but aging national observatories must redefine their relevance to survive the revolution.

Web Extra: How Big Bang ripples make the ideal cosmic ruler

by Eric Betz
Astronomers will make a 3-D map of the universe thanks to sound waves from the beginning of time called baryon acoustic oscillations.

Finding our place in the Milky Way

by Alan Goldstein
Aristarchus and Copernicus were the first to challenge Earth’s position at the center of creation but certainly weren’t the last.

Witness totality from Indonesia

by Michael E. Bakich
A spectacular adventure awaits those who tour Bali and see the March 9, 2016, total solar eclipse.

Target asteroids with your binoculars

by Vincent S. Foster
Seeing small objects through small optics is easier than you might think.

Web Extra: 25 asteroids to spot through binoculars

by David S. Foster

These targets are all brighter than 10th magnitude, so you can observe them easily with both eyes.

Tour 10 fall binocular treats

by Phil Harrington
Take your binoculars to a dark site this season, and you’ll enjoy a night of easy observing.

Web Extra: Tour 10 autumn binocular highlights

by Phil Harrington
Grab your binoculars and point them at a famous star, several open clusters, a globular cluster, and an enigmatic galaxy.

Astronomy tests Daystarò??s Quark

by Michael E. Bakich
Ease of use, extreme portability, and a great price make this Hydrogen-alpha solar filter one to consider.

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Mystery men of the Perseids

by Bob Berman
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A false dichotomy

by Jeff Hester
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Here comes the Sun

by Glenn Chaple
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The "Aristarcus X"

by Stephen James O'Meara
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Field of view indicators

by Adam Block

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