NASA/JPL-Caltech/UCLA/MPS/DLR/IDA
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Bulletin at a GlanceNews |
Dawn Arrives at Vesta
July 15, 2011 | If all goes well, NASA’s spacecraft Dawn will enter orbit around Vesta at 1 p.m. EDT on July 16th. > read more
Does Air Pollution Alter Lunar Eclipses?
July 15, 2011 | Observations of June 15th’s total lunar eclipse suggest that smoggy skies over China created unusual patterns in the umbral glow on the Moon. > read more
The Truth About Neptune’s Spin
July 11, 2011 | By tracking two visible features in Neptune’s atmosphere, a University of Arizona astronomer has clocked a new spin rate for the blue planet. But does this mean the Voyager results from 1989 are wrong? > read more
More on Saturn’s Thunderstorm
July 13, 2011 | Two studies reveal that the white smear across Saturn’s northern face was caused by a deep seated thunder storm that discharged powerful lightning bolts for days on end. > read more
Messy Cleanup Awaits Subaru Telescope
July 14, 2011 | It’s always bad news when your coolant line ruptures and spews antifreeze everywhere. It’s really bad news when the stuff leaks all over one of the world’s largest telescopes. > read more
Three Great Old Magazines on DVD
June 21, 2011 | The complete collections of The Sky, The Telescope, and Night Sky magazines are now available as DVD-ROMs. > read more
Sky & Telescope August 2011
June 13, 2011 | Sky & Telescope‘s August 2011 issue is now available to digital subscribers. > read more
European Southern Observatory
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Rare Occultation by a Double Asteroid
July 15, 2011 | Early on Tuesday, July 19th, lucky observers along a 120-mile-wide path from north-central California to central Saskatchewan have a chance to watch a big, enigmatic double asteroid briefly cover a relatively bright star in Aquarius. > read more
Ceres and Vesta in 2011
May 20, 2011 | The two brightest asteroids are fairly close to each other in 2011. Click here for instructions and charts to find them. > read more
Tour July’s Sky by Eye and Ear!
June 30, 2011 | Look low in the west at sunset to spy fleet Mercury, toward southwest for Saturn, and in the south for red-hued Antares, the “rival of Mars.” > read more
Interactive Sky Chart is Unavailable
June 3, 2011 | Our popular Interactive Sky Chart will be unavailable for an indeterminate period. > read more
Saturn’s New Bright Storm
December 27, 2010 | A massive new storm in the ringed planet’s northern hemisphere is bright enough to see in small telescopes. > read more
Akira Fujii
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This Week’s Sky at a Glance
July 15, 2011 | Saturn is lowering in the southwest these evenings, while Jupiter is climbing ever higher before dawn. And Vesta in the middle of the night has reached 6th magnitude. > read more
NASA / HST / Sean Walker
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Neptune in Motion
July 13, 2011 | Sky and Telescope‘s editor Sean Walker puts together NASA’s anniversary images of Neptune to create a movie that shows a day on the blue planet. > 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-foot-tall telescope? Then escape the city lights and head for the nearest “star party.” > read more
Ann
