ESO / L. Calçada / N. Risinger (skysurvey.org)
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Planet Found in Alpha Centauri System
October 17, 2012 | Astronomers announced what might be the closest exoplanet to Earth, a roasted Earth-mass world whipping around the Sun-like star Alpha Centauri B. > read more
News From Across the Solar System
October 19, 2012 | From new models of the Moon’s formation to planets forming around distant stars, nearly 800 planetary scientists had plenty of new results to present this week when they met in Reno, Nevada. > read more
A Problem with Pluto’s Moons
October 17, 2012 | The discovery of two tiny moons circling the most famous “dwarf planet” has raised concerns that the New Horizons spacecraft might be endangered when it flies by in July 2015. > read more
NASA / Hiroyuki Iida
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October Meteors Slow and Fast
October 19, 2012 | As Earth wheels through the October portion of its orbit around the Sun, it passes through two reliable annual meteoroid streams: one fast, one slow, both long-lasting. > read more
Tour October’s Sky by Eye and Ear!
August 27, 2012 | Mars is managing to hang on low in the west after sunset, while in the east you’ll see the Square of Pegasus and, later on, the giant planet Jupiter. > read more
Babak Tafreshi
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S&T‘s Iceland Aurora Adventure
October 8, 2012 | Join Sky & Telescope on the aurora adventure of a lifetime in April, 2013! Walk through a rift valley, witness magnificent waterfalls and the Strokkur geyser, bathe in the Blue Lagoon, and best of all, maximize your chances of seeing the beautiful Northern Lights. > read more
Sky & Telescope diagram
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This Week’s Sky at a Glance
October 19, 2012 | The crescent Moon points to the pairup of Mars and Antares, then the gibbous Moon glides below the Square of Pegasus, and Arcturus becomes the Ghost of Summer Suns. > read more
