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NASA Keeps Watch Over Space Explosions | by NASA Goddard Photo and Video
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NASA Keeps Watch Over Space Explosions

Space appears calm, but it’s not always so.


Sometimes mighty magnetic explosions, just a fraction of a second long, can fling millions of electrons at supersonic speeds. NASA’s Magnetospheric Multiscale mission has been watching these explosions, called magnetic reconnection, around Earth, and it recently saw such an event behind Earth, away from the Sun.


There, magnetic reconnection was found to fling particles symmetrically, unlike how it does on the dayside. Learning about reconnection around Earth also helps us understand reconnection in faraway places across the universe where it’s impossible to measure directly.


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NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.


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Uploaded on November 23, 2018