News tagged with magnetosphere

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Modeling extreme space weather

Explosions on the sun regularly disrupt the magnetic envelope surrounding Earth, but that envelope, the magnetosphere, largely protects the surface of the planet itself from space weather – with one exception. As a rule, ...

Mar 23, 2012
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Geomagnetic storm subsiding

A geomagnetic storm that sparked auroras around the Arctic Circle and sent Northern Lights spilling over the Canadian border into the United States on April 12, 2011 is subsiding. NOAA forecasters estimate ...

Apr 14, 2011
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Juno blanket check

(PhysOrg.com) -- As the Juno spacecraft is elevated by a rotation fixture, a technician at Astrotech's payload processing facility in Titusville, Fla., examines the installation of blankets on the aft deck. ...

Jun 27, 2011
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Sun releases slow moving CME

On Nov. 9, 2012, at 10:24 a.m. EST, the sun emitted an Earth-directed coronal mass ejection (CME). A CME is a solar phenomenon that can send billions of tons of solar particles into space and can reach Earth ...

Nov 12, 2012
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Cluster's decade of discovery

(PhysOrg.com) -- ESA's pioneering Cluster mission is celebrating its 10th anniversary. During the past decade, Cluster's four satellites have provided extraordinary insights into the largely invisible interaction ...

Jul 16, 2010
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