원문출처 : http://edition.cnn.com/2015/02/16/tech/nasa-solar-dynamics-observatory/index.html?eref=edition
2015.02.17 12:05
NASA's mesmerizing solar timelapses
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원문출처 : http://edition.cnn.com/2015/02/16/tech/nasa-solar-dynamics-observatory/index.html?eref=edition
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