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View Full Version : Scientists Detect Sunspots Before They Emerge



Fraser
2011-Aug-23, 06:20 PM
For solar enthusiasts, we’re all quite aware of sunspots and their implications. Able to disrupt power grids, shut down satellite communications and pose hazards to astronauts, these “cool” customers are revealing themselves ahead of their surface appearance. Thanks to the Michelson Doppler Imager aboard NASA’s Solar and Heliospheric Observatory satellite, known as SOHO, researchers were [...]

More... (http://www.universetoday.com/88380/scientists-detect-sunspots-before-they-emerge/)