ESO/M. Kornmesser
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Bulletin at a GlanceNews |
A Paradigm-Shattering Quasar
July 1, 2011 | A team of European astronomers has discovered the most distant known quasar.But at its heart is a monstrous black hole that could rob theorists of a few nights’ sleep. > read more
Rethinking Galaxies
June 28, 2011 | Edwin Hubble’s tuning-fork diagram has helped astronomers classify galaxies for more than 70 years. But recent research shows that it might be time for a makeover — to a “comb” diagram. > read more
A Case for Frozen Hydrogen
June 27, 2011 | Can hydrogen freeze solid in interstellar clouds? If so, it might contribute to a mysterious form of interstellar light absorption. > read more
Neutron Star Gobbles Hot Gas, Burps X-rays
June 30, 2011 | Astronomers have observed a neutron star flaring to 10,000 times its original brightness. > read more
Two More Moonlets for Jupiter
July 1, 2011 | Astronomers have discovered a pair of tiny satellites traveling far from Jupiter. So which planet — Jupiter or Saturn — now has the most moons? > 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
S&T: Lauren Darby
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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
Supernova Erupts in Whirlpool Galaxy
June 3, 2011 | Supernova 2011dh in M51 seems just past its peak at around magnitude 12.7. With the Moon now gone from the evening sky, the next clear nights are your best chance. It should be visible through an 8-inch telescope in any but the worst skies. > 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
Sky & Telescope diagram
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This Week’s Sky at a Glance
July 1, 2011 | Mercury is back at dusk, and so is the crescent Moon. Saturn and Porrima are pulling apart. And bright Jupiter climbs higher in the dawn. > read more
Ice Hunters 2011 and the New Horizons Mission
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IceHunters: A Kuiper Belt Search
June 24, 2011 | In the latest citizen science project, you can help NASA hunt new objects in the Kuiper Belt — and perhaps even steer the New Horizons probe toward your lucky find. > 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