News tagged with magnetic lines

Cool, dim dwarf star is magnetic powerhouse

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered that a dim, cool dwarf star is generating a surprisingly powerful magnetic field, one that rivals the most intense magnetic regions ...

dateNov 19, 2015 in Astronomy
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Shining a light on the aurora of Mars

ESA's Mars Express has shed new light on the Red Planet's rare ultraviolet aurora by combining for the first time remote observations with in situ measurements of electrons hitting the atmosphere.

dateNov 05, 2015 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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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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