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Bulletin at a GlanceNews Observing This Week’s Sky at a Glance Community |
Another Origin for Cosmic Rays
November 24, 2011 | Recent gamma-ray observations support the longstanding theory that superspeedy particles called cosmic rays have their origin in the havoc-ridden regions around young star clusters. > read more
Cygnus X-1, Exactly
November 21, 2011 | Astronomers have pinned down the distance, mass, and spin rate for the first black hole candidate discovered, information that points to a birth sans supernova. > read more
S&T’s 70th Anniversary Video Is Here!
November 16, 2011 | Watch a behind-the-scenes video of how S&T came to be and what it’s like working at the magazine today. > read more
![]() S&T: Lauren Darby
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Tour December’s Sky by Eye and Ear!
November 26, 2011 | Venus lurks low in the western twilight after sunset. But after it gets good and dark, swing around to the east to see dazzling Jupiter, the King of Planets, amid a tower of brilliant early-winter stars that extends from the horizon to overhead. > read more
Trusty Comet Garradd
September 1, 2011 | Comet C/2009 P1 Garradd is shining at 7th or maybe even 6th magnitude as it traverses southeastern Hercules. > read more
Jupiter: Big, Bright, and Beautiful
September 23, 2011 | The “King of Planets,” which will dominate the evening sky from late 2011 through early 2012, is a captivating sight no matter how you look at it. > read more
Ceres and Vesta in 2011
September 8, 2011 | The two brightest asteroids are in fine view for binoculars or a telescope. Here are instructions and charts to find them. > read more
Uranus and Neptune in 2011
May 31, 2011 | Uranus and Neptune are easy to find with the aid of the charts in this article. > read more
![]() Sky & Telescope diagram
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This Week’s Sky at a Glance
November 18, 2011 | Venus stays up throughout twilight now. Jupiter blazes high all evening, the Mars-Regulus pair is up by midnight, and the Saturn-Spica pair shows at dawn. > read more
![]() Dave Finley / NRAO / AUI
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Name That Telescope Array
November 22, 2011 | Have a gift for picking good names? The newly updated Very Large Array wants a snazzy appellation to mark its second lease on life. Submit your suggestion by December 1st. > read more