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The Science Behind those Eye-Popping Northern Lights

  Northern night skies have recently been alive with light. Those shimmering curtains get their start about 93 million miles away, on the Sun. An image of an aurora borealis, and moonrise in the Brooks Range in northern Alaska at the Chandler Shelf in December 2008. Image Credit: guardian.co.uk/Rolf Hicker/Barcroft Media  An aurora borealis (aurora australis [continue reading]

jul 032012
 
Clues to Solar Storms

  Doppler measurements that help track storms on Earth may also be useful for understanding storms on the sun. Left, image of hot (1.8-million degree Fahrenheit) active region loops. Right, flows of solar plasma (blue shifts). Credit: SDO/AIA (NASA and Hinode/EIS (JAXA, NASA, ESA and STFC) A Rice University astrophysicist is part of an international [continue reading]