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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

September 2005

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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 Elisabeth A. Benchich
Bursts of star formation and tails of debris litter the cosmos whenever galaxies meet.
pg. 32
By Marcia Bartusiak, Stephen Lowe
Unexpected phenomena have steered astronomy in new directions.
pg. 38
Ready, set, boom!
By Ken Croswell
An expanding bubble enriches the galaxy and may help life begin.
pg. 44
By S. Alan Stern
Astronomers find that comets are not the pristine relics we thought they were.
pg. 46
Discover fall’s splendid sky sights
By Jane Houston Jones
Colorful doubles and stellar death shrouds are among tonight’s deep-sky wonders.
pg. 64
By David J. Eicher, Michael E. Bakich
Astronomy editors went to two exotic locales to bask in the Moon’s shadow.
pg. 72
By Daniel B. Phillips
A small telescope and bright sky don’t stop this imager’s hunt for the big and beautiful.
pg. 78
Explore the sky with classic glass
By Mike D. Reynolds
Telescopes from the golden age of observing provide collectors with great views.
pg. 84
Departments
This month in Astronomy
Meet our new art team!
Letters
Flights of fancy
Bob Berman's strange universe
Glenn Chaple's observing basics
Swimming with the Dolphin
Phil Harrington's binocular universe
Open a star window
News
— Cas A: Spitzer finds supernova echo
— A Russian radio probe will fly at last
— Cassini spots icy volcanoes on Titan
— Cosmic rays found to radiate radio waves, and more!


The sky this month
Ask Astro
New products
— Canon EOS 20Da
— Tele Vue DIOPTRX
— Hardigg Storm Case
— Oberwerk 45° binoculars
Book reviews
— Evolving Cosmos
— Symmetry and the Beautiful Universe
— Deep Space: The NASA Mission Reports
— Astrophysics of Life
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