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NASA Goddard - Google+

de Vencore Weather

10:15 AM

Sunspot numbers for solar cycles 22, 23 and 24 which shows a clear weakening trend; courtesy Dr. David Hathaway, NASA/MSFC

de Mail Online

Is the sun going dark? Latest Nasa images reveal TWO giant holes

NASA’s Solar Dynamics Observatory, or SDO, captured this solar image on March 16, 2015, which clearly shows two dark patches, known as coronal holes. Coronal holes are regions of the corona where the magnetic field reaches out into space rather than looping back down onto the surface - and eject solar winds far faster than other parts of the sun.

NASA Goddard - Google+

de The Huffington Post

The Cosmic Threat We Should Be Talking About

Danger, Will Robinson


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Northern lights in Iceland