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NEWS ABOUT: American Astronomical Society

Tsunamis Spotted in Saturn's Rings

Rings may be remnants of smashed icy moon

(Newser) - Mile-high tsunamis of icy particles are endlessly rippling around Saturn's rings, scientists told the American Astronomical Society's Division for Planetary Science meeting this week. Astronomers, using data from NASA's Cassini probe, believe the waves, which move up to 800 feet per day, are caused when gravity from the colossal moon... More »

Scientists Discover Bigger, Faster Milky Way

Scientists revise image of our galaxy

(Newser) - A study of the Milky Way using radio telescopes scattered across the US paints a new and dramatically different picture of our galaxy, reports Space.com. Our spiral-shaped galaxy is not only spinning faster than previously thought, it has 50% greater mass, with two hitherto unknown spiral arms where many... More »

Space Cloud on Collision Course

Huge mass of hydrogen could trigger star formation in Milky Way

(Newser) - A cloud of hydrogen 11,000 light years long and 2500 light years wide is headed straight for our galaxy, and the inevitable collision will create a spectacular burst of star formation. But don't plan your viewing party yet—Smith's Cloud, as it is called, won't arrive for another 20... More »

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