Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

October 2004

October 2004
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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. 
Features
By Ray Villard
The Hubble Space Telescope has delivered stunning science for more than a decade, but it won’t last forever. Astronomers are considering what a successor might look like.
pg. 32
By Richard Talcott
After a journey of 7 years and 2.2 billion miles, the Cassini spacecraft finally is in orbit around Saturn. Read about its historic arrival and see the sharpest images ever of the ringed planet.
pg. 38
By Francis Reddy
Astrophysicists invoke jets of matter moving near the speed of light to explain super-energetic supernovae and gamma-ray bursts.
pg. 44
By Alister Ling
A fast-flying space rock the size of Gibraltor will zoom past Earth late in September. A finder chart and observing tips will help you see this object.
pg. 70
By Michael E. Bakich, David J. Eicher
More than 30,000 miles total travel distance. Roughly 150 hours total travel time. All for a 6-hour event. Worth it? You bet. Astronomy readers enjoyed trips of a lifetime to South Africa and Egypt to witness the first transit of Venus in 122 years.
pg. 76
By Michael E. Bakich
When British astronomer Sir Patrick Moore published his list of deep-sky objects in 1995, many people cried foul, while others erupted in praise. Regardless of which side you’re on, the Caldwell Catalog is here to stay.
pg. 72
The Maksutov revolution
By Steve Edberg
If you’re looking for optical quality in a small package, consider one of these fine telescopes.
pg. 82
Departments
This month in Astronomy
Cassini’s long, strange trip
Letters
Bob Berman's strange universe
Glenn Chaple's observing basics
Gettin’ shapes
Interview
Jesús Maíz-Apellániz, Space Telescope Science Institute
News
— Rim shot: Mars’s Hellas Basin
— Mapping solar blasts in 3-D
— Brown dwarfs begin as ordinary stars
— Galaxies old before their time
— Mystery Mars rock
The sky this month
Ask Astro
New products
— Solarscope
— Sunshine Design’s AstroCalculator
— InfiniTees sportswear T-shirts
— Tru-Balance color filters
Book reviews
— Discover the Moon
— The Clementine Atlas of the Moon
— A Practical Guide to Lightcurve Photometry and Analysis
Coming events
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