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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

April 1997

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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
Carl Sagan Remembered
By Dave Stevenson, Diane Ackerman
Reflections on the scientist's career.
pg. 38
Goodness, Gracious, Great Balls of Fire
By Robert Naeye
Newborn stars create a fierce wind in the galaxy M82.
pg. 50
When Neutron Stars Collide
By Robert Zimmerman
A burst of gamma rays could signal the merger of two neutron stars - and perhaps wipe out all life within 3,000 light-years.
pg. 52
Playing Cosmology's Wild Card
By Ken Croswell
A cosmological constant could boost the universe's age.
pg. 56
Tell Time by the Big Dipper
By Gary Grittner
On a clear night, don't even bother wearing a wristwatch.
pg. 60
Sky Almanac
By Martin Ratcliffe, Rick Shaffer
Mercury's at its best for the year, but it's overshadowed by the brilliant duo of Mars and Hale-Bopp.
pg. 62
Hale-Bopp's Grand Finale
By Tom Polakis
The great comet of '97 glows brightly as it passes the sun.
pg. 74
Discover the Spring Sky
By Glenn Chaple
A 2- to 6-inch scope reveals the wonders of the season.
pg. 82
From Russia with Love
By John Shibley
Enjoy superb images with these Maksutov-Cassegrains.
pg. 88
Observing Gas Clouds in Galaxies
By David Higgins
A big scope pulls in HII regions beyond the Milky Way.
pg. 92
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