FEATURED ARTICLES |
The Black Widows
A mysterious group of stellar corpses resurrect themselves by sucking life from their companion stars.
By Roger W. Romani
The Most Powerful Telescope Ever Built
ALMA's cutting-edge technology promises to unveil our cosmic origins.
By Monica Young
How Often Do Bright Comets Appear?
With Comet ISON approaching, it's natural to ask how often truly great comets appear.
By Joe Rao
Amateur Space Exploration
CubeSats are paving the way for public entry into orbit.
By Tim DeBenedictus
Insight Into PixInsight
A powerful image-processing program comes of age.
By Warren Keller
BEYOND THE PRINTED PAGE |
The Great Comets of the Past Century
Will Comet ISON be one of them?
By Joe Rao
How ALMA Works Its Interferometric Magic
Read about ALMA's latest results and use interactive tools to explore how the telescope works.
By Monica Young
CubeSats on Space Patrol
A constellation of miniature telescopes will track space debris to a level not currently possible from the ground.
By Chris Palmer
Lunar Librations
Librations and other lunar data for November 2013
By Sean Walker
ALSO IN THIS ISSUE |
As Comet ISON nears...
Will it become a great comet? A pathetic dud? Or something in between?
By Alan MacRobert
Friends
Cassiopeia offers bountiful gifts to stargazers.
By Sue French
Exploring Messier 31
Backyard scopes can reveal dozens of star clusters in the Andromeda Galaxy.
By Alan Whitman
Table of Contents
See what else November's issue has to offer.