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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

April 1999

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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
Planetary Oracles
By David J. Eicher
Ten respected planetary scientists gaze into a crystal ball and predict what the next 25 years hold in store.
pg. 36
Invading Martian Territory
By William K. Hartmann
Eighteen months into its mission, Mars Global Surveyor has shown the Red Planet to be a more complex and geologically active planet than anyone expected.
pg. 46
What an Artist Sees
A white dwarf prepares to go nova. The Milky Way glitters above Pluto's frozen surface. These images and more highlight ASTRONOMY's gallery of great space art.
pg. 52
Comet Stalker
By Tony Ortega
Astronomer Tom Gehrels searches tirelessly for asteroids and comets that might one day collide with Earth.
pg. 58
Kids' Corner: It's Just a Phase
By Jeanette Brown
Watching the moon and its changing appearance can teach a lot about how the solar system works.
pg. 76
Celestial Portraits: Vela and Carina
By Tom Polakis
The splendid starfields of these southern constellations form a compelling backdrop for rich star clusters and luminous nebulae.
pg. 80
Red Planet at Night, Observer's Delight
By Phil Harrington
Mars puts on a grand show for backyard observers during the next few months, growing brighter and appearing bigger than at any time in the past eight years.
pg. 88
Departments
Behind the Scenes
Astronomy as Entertainment
Talking Back
AstroNews
- Better Late than Never
- So Far, So Good
- A Magnificent Ring
- Making the Invisible Visible
- Superflares Wrack Sunlike Stars
- Tiny Primeval Galaxies Packed Wallop
- A Solar Gesundheit
- Water, Water Everywhere
- Stellar Powder Keg
Sky Show
The Red Planet shines brilliantly all night long, making a nice background for Lyrid meteors and the moon as it blocks Aldebaran and Regulus.
Star Stuff
Products
- Own a Piece of the Rock
- The Starsplitter Tube
- Black Holes
Books
- Looking for Earths: The Race to Find New
Solar Systems
Bytes
- The Webweaver Picks
Looking Ahead
Advertiser Index
Hot Shots
Shooting Spirals from the Hip
Ultimate Exposure
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