JPL / Steve Ostro
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“Sky-Is-Falling” Asteroid Flies By
December 7, 2012 | The Earth-crossing asteroid Toutatis is making one of its close flybys, creeping across the stars and awaiting your telescope from December 12th through 15th. It’s magnitude 10.9 to 10.5. > read more
Geminid Meteors to Peak the Night of Dec. 13th
December 6, 2012 | If it’s clear late Thursday night, December 13th, keep a lookout overhead for meteors of the Geminid shower. > read more
Tour December’s Sky by Eye and Ear!
November 30, 2012 | Mars lurks low in the west after sunset, just as Jupiter rises dramatically in the east. Meanwhile, a mythic tale unfolds among the stars and constellations overhead. > read more
NASA / GSFC / Science Visualization Studio
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Gravity Probes Unlock Deep Lunar Secrets
December 7, 2012 | Just by circling the Moon every 2 hours while keeping hyper-accurate track of each other’s motions, twin spacecraft named Ebb and Flow have mapped the lunar gravity field in unprecedented detail — and opened a window on the Moon’s ancient, battered interior. > read more
Voyager’s On-ramp to Interstellar Space
December 4, 2012 | Now more than 11 billion miles from home, NASA’s long-lived interplanetary probe is immersed in a flow of particles coming directly from beyond the heliosphere — an experience that mission scientists have hoped for since the 1970s. > read more
Making Planets Around Brown Dwarfs
December 5, 2012 | Astronomers searching for forming planets have a new place to look. Even the thin disks around brown dwarfs are capable of forming grains large enough that, one day, they could potentially coalesce into a rocky planet. > read more
Van Allen Probes Peek at Earth’s Radiation Belts
December 6, 2012 | The twin Van Allen Probes have only been spaceborne for 60 days, but they’ve already returned heaps of data about the radiation belts, whose “killer electrons” endanger satellites. > read more
Curiosity Gets a Whiff of Organic Matter
December 3, 2012 | When NASA’s newest rover cooked up its first samples of Martian soil, one instrument reported finding traces of organic molecules. But they’re probably false alarms, say mission scientists. > read more
Sky & Telescope diagram
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This Week’s Sky at a Glance
December 7, 2012 | Lots happening this week! The Geminid meteor shower, a flyby of Toutatis, Vesta at opposition with Ceres nearby, and more. > read more
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Ann
BEAUTIFUL, ALSO, ARE THE SOULS OF MY BLACK SISTERS 