News tagged with geomagnetic field

Video: SDO spies an elongated coronal hole

A long coronal hole can be seen right down the middle of the sun in this video captured by NASA's Solar Dynamics Observatory on March 23-25, 2016. Coronal holes are areas on the sun where the solar magnetic field extends ...

dateApr 11, 2016 in Space Exploration
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Fast solar wind causes aurora light shows

On the night of Oct. 8, 2015, a photographer in Harstad, Norway captured this image of the dancing northern lights. Auroras are created when fast-moving, magnetic solar material strikes Earth's magnetic bubble, the magnetosphere. ...

dateOct 12, 2015 in Space Exploration
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