Citizen scientists reveal a bubbly Milky Way

( -- A team of volunteers has pored over observations from NASA's Spitzer Space Telescope and discovered more than 5,000 "bubbles" in the disk of our Milky Way galaxy. Young, hot stars blow these bubbles into ...

dateMar 07, 2012 in Astronomy
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As the World Churns

( -- "Terra firma." It's Latin for "solid Earth." Most of the time, at least from our perspective here on the ground, Earth seems to be just that: solid. Yet the Earth beneath our feet is actually in constant ...

dateDec 28, 2009 in Earth Sciences
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Runaway star plows through space

( -- A massive star flung away from its former companion is plowing through space dust. The result is a brilliant bow shock, seen here as a yellow arc in a new image from NASA's Wide-field Infrared Survey Explorer, ...

dateJan 25, 2011 in Astronomy
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Global eruption rocks the sun

On August 1, 2010, an entire hemisphere of the sun erupted. Filaments of magnetism snapped and exploded, shock waves raced across the stellar surface, billion-ton clouds of hot gas billowed into space. Astronomers knew they ...

dateDec 14, 2010 in Space Exploration
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