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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.
Probing Einstein's relativity
Through the Gravity Probe B experiment, scientists developed cutting-edge technologies on the journey to test gravity.
Dead stars and doomed planets
When the Sun dies, it will become a white dwarf surrounded by the decaying remnants of planets, asteroids, and comets. Astronomers are watching similar fates befall dozens of other systems in our galaxy.
Flying in Pluto's shadow
NASA’s new airborne observatory can travel nearly anywhere, including to the elusive center of a distant planet's shadow on Earth.
2012 — a historic year for solar eclipses
Two solar eclipses — one total and one annular — and the last transit of Venus until 2117 make this a stellar year for observers.
How robotic telescopes are changing astronomy
Automated observatories run telescopes themselves, allowing astronomers to focus on the results.
Create the ultimate observing charts for free
Professional astronomers count on two websites for vast amounts of reliable data. Now amateurs are discovering how to use them for observing.
Bob Berman's Strange Universe
Glenn Chaple's Observing Basics
Stephen James O'Meara's Secret Sky
Tony Hallas' Imaging the Cosmos
The Sky this Month
In Every Issue
This Month in Astronomy
NASA saves the Webb space scope
Scientists confirm most Earth-like planet
Young solar system lost a giant planet
Curiosity is on its way to Mars
Astro Confidential - Bethany Ehlmann
The Cosmic Grid
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