NASA / Johns Hopkins University Applied Physics Laboratory / Carnegie Institution of Washington
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Bulletin at a GlanceNews |
Is Mercury Alive After All?
October 13, 2011 | The Messenger spacecraft has discovered unusual hollow formations on Mercury’s surface. No one knows what causes them, but volatile-spewing volcanoes are candidates. > read more
Draconid Meteors Arrive As Forecast
October 9, 2011 | Chalk up another win for the meteor-shower modelers. Europeans saw a display of up to a couple hundred Draconid meteors per hour on Saturday evening. > read more
ALMA Radio Array Gets to Work
October 10, 2011 | High in the Chilean Andes, at the nosebleed altitude of 16,400 feet (5,000 m), the Atacama Large Millimeter/submillimeter Array has begun to probe the depths of the radio universe as never before. > read more
Sue French’s New Book
September 2, 2011 | Deep-Sky Wonders, the new book by Sue French, is now available for pre-order. > read more
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Observe Mira, the Amazing Star
September 28, 2011 | The extraordinary variable star Mira is expected to peak in early October, 2011. > 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
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
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
Tour October’s Sky by Eye and Ear!
September 30, 2011 | This is a month of transition: Northern summer becomes autumn, Saturn sets just before Jupiter rises, and Venus is moving from the morning sky before dawn to the evening sky. > read more
Sky & Telescope diagram
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This Week’s Sky at a Glance
October 14, 2011 | Jupiter is as big and bright as it will appear this year, and getting higher all the time. > read more
Windows to the Universe / UCAR
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The Great World Wide Star Count
October 14, 2011 | Join thousands of other “citizen scientists” in raising dark-sky awareness around the globe. > read more
Let the Star Parties Begin!
April 14, 2011 | Want to gaze at the Milky Way all night or peer into the eyepiece of a 12-inch telescope? Escape the city lights and head for the nearest big amateur nighttime gathering. > read more