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IRIS Mission to Launch in June

sun corona interface region iris nasa

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#1    Waspie_Dwarf

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Posted 05 June 2013 - 02:11 PM

NASA's IRIS Mission to Launch in June



www.nasa.gov said:

Lying just above the sunís surface is an enigmatic region of the solar atmosphere called the interface region. A relatively thin region, just 3,000 to 6,000 miles thick, it pulses with movement: Zones of different temperature and density are scattered throughout, while energy and heat course through the solar material.

Understanding how the energy travels through this region Ė energy that helps heat the upper layer of the atmosphere, the corona, to temperatures of 1 million kelvins (about 1.8 million F), some thousand times hotter than the sunís surface itself Ė is the goal of NASAís Interface Region Imaging Spectrograph, or IRIS, scheduled to launch on June 26, 2013, from Californiaís Vandenberg Air Force Base.  

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