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October 2011 | Astronomy.com

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October 2011

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October 2011

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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

What triggered the Big Bang

by Bruce Dorminey

Astronomers have a good idea of how the universe has evolved since cosmic genesis. But what, if anything, came before?

Web Extra: Inside the cyclic model of the universe

by Richard Talcott

Some cosmologists think the Big Bang was a single event in an infinite cycle.

Comets: Keys to the solar system's past

by Michael F. AHearn

After four successful missions to study comets up close, astronomers find answers to the biggest questions about the solar system's origins.

Web Extra: Watch comets in action

by Bill Andrews

Astronomers continue learning about these ancient icy wonders and have gotten near enough to capture video of these objects up close.

How Antarctica unlocks cosmic secrets

by Liz Kruesi

The quest to understand our universe's earliest moments drives astronomers to Earth's coldest continent.

Web Extra: What's winter like in Antarctica?

by Liz Kruesi

A scientist who has spent six winters at the coldest continent tells us what itт??s like.

All about the Helix Nebula

by Raymond Shubinski

This planetary nebula offers more than a great view through the eyepiece. It shows astronomers how our Sun's life will end.

Web Extra: More images of the Helix Nebula

by Liz Kruesi

This planetary nebula offers a great show through the eyepiece.

My time on the Hubble Space Telescope

by Jack B. Newton

Finding a rare type of supernova was just the beginning of this amateur astronomer's adventure.

10 great features for Moon watchers

by Michael E. Bakich

Our natural satellite offers plenty of targets you can spot through any size telescope.

Web Extra: There's a lot of Moon to observe

by Michael E. Bakich

Download PDF files, then set up your scope to view our only natural satellite.

Astronomy tests the Officina Stellare Hiper APO 130

by Mike D. Reynolds

This high-quality scope looks great, but does it produce equally terrific images?

Columns

It's element-ary

by Bob Berman

The AAVSO then and now

by Glenn Chaple

Exploring some curious lunar features

by Stephen James O'Meara

The deep Moans round with many voices

by David H. Levy

How to get great star colors

by Tony Hallas

Departments

The Sky this Month

Glorious Jupiter reigns all night

Ask Astro

Web Extra

Dust in the wind

Speedy expansion

Extreme stellar magnets

Stellar groupies

Observing basics

In Every Issue

This Month in Astronomy
Web Talk
New Products
Reader Gallery

Letters
Astro News
Deep-sky showcase
The Cosmic Grid

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Searching for Far Out and Wandering Worlds

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An artificial comet holds secrets to Earths life

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Young super-Jupiter found wandering without a parent

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Searching for aliens who already know we're here

A gamma-ray burst hints that LIGO's double black holes started as one massive star

Pluto's largest moon may have once had an ocean

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