News tagged with magnetic lines

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. ...

date22 hours ago in Space Exploration
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NASA measuring the pulsating aurora

Thanks to a lucky conjunction of two satellites, a ground-based array of all-sky cameras, and some spectacular aurora borealis, researchers have uncovered evidence for an unexpected role that electrons have in creating the ...

dateOct 07, 2015 in Space Exploration
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NASA's BARREL team returns from Sweden

After seven balloon launches in the bright Arctic sun, the BARREL team has returned home from a 4-week campaign in Kiruna, Sweden, north of the Arctic Circle. Each research balloon observed emissions high in our atmosphere ...

dateSep 24, 2015 in Space Exploration
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Image: SDO sees 3 coronal 'holes'

The sun was visually dominated by three substantial coronal holes that rotated across its face the week of Sept. 8-10, 2015. Coronal holes are areas where the sun's magnetic field lines extend out into space and don't return ...

dateSep 17, 2015 in Space Exploration
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Video: A golden arch on the sun

Magnetically charged particles formed a nicely symmetrical arch at the edge of the sun as they followed the magnetic field lines of an active region on Aug.4-5, 2015. Before long the arch begins to fade, but a fainter and ...

dateAug 13, 2015 in Space Exploration
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