July
2005
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Astronomy magazine
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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. Subscribe now online and get Astronomy delivered to your door. |
Features
Everyone knows the Sun has nine planets. But it also has 141 moons varying from icy fragments to complex worlds with volcanoes, oceans, and atmospheres. Take a tour of the rest of the solar system.
By Jacqueline Garget
Dark threat
Could an unseen stellar assassin cause mass extinctions on Earth?
By Bruce Dorminey
As the universe sings, Alex Szalay listens for answers to fundamental cosmological questions.
By Steve Nadis
An ice moon revealed
Cassini’s first close look at Enceladus shows Titan isn’t the only Saturn moon with an atmosphere.
By Richard Talcott
Set up your scope, pour a cool drink, and follow this step-by-step guide to explore the season’s best sights.
By Ian Ridpath
On March 29, 2006, observers across eastern South America, northern Africa, and western Asia will be treated to a total solar eclipse.
By Fred Espenak and Patricia Totten
In 1995, Hale-Bopp became history’s most observed comet. Ten years later, codiscoverer Alan Hale tells its tale.
By Alan Hale
Departments
This month in Astronomy
Too many moons
Letters
Interesting detail
Bob Berman's strange universe
Glenn Chaple's observing basics
Phil Harrington's binocular universe
News
— Medusae Fossae: the view from Mars Express
— Missing dark matter found in ellipticals?
— Spotting an alien asteroid belt
— Exoworlds: fights over first light
The sky this month
Ask Astro
New products
— Baader Herschel Wedge
— Newcon stabilized binoculars
— Celestron Exotherm
— Jensan World of Meteorites
Coming events
Advertiser index
Resources
Reader gallery
Great celestial images from our readers
