Scientists using NASA's fleet of THEMIS spacecraft have discovered how radio waves produced by electrons injected into Earth's near-space environment both generate and remove high-speed "killer" electrons.
General Physics
May 7, 2009
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(Phys.org) —Scientists have provided the most comprehensive details yet of the journey energy from the sun takes as it hurtles around Earth's magnetosphere. Understanding the changes energy from the sun undergoes as it ...
Space Exploration
Sep 26, 2013
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Next week, a visual and infrared camera designed at Arizona State University will pass 60,000 orbits of the Red Planet.
Space Exploration
Jun 21, 2015
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Researchers using NASA's fleet of five THEMIS spacecraft have discovered a form of space weather that packs the punch of an earthquake and plays a key role in sparking bright Northern Lights. They call it "the spacequake."
Space Exploration
Jul 28, 2010
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Look up into the night sky in Alaska, Northern Canada, or Russia just before dawn, and you may able to make out a faint whitish glow of the northern lights. Watch for a few minutes, and the lights will blink on and off as ...
Space Exploration
Oct 4, 2010
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(PhysOrg.com) -- Earth-bound tornadoes are puny compared to "space tornadoes," which span a volume as large as Earth and produce electrical currents exceeding 100,000 amperes, according to new observations by a suite of five ...
Space Exploration
Apr 23, 2009
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NASA's next Mars space probe, a lander named InSight, is due to touch down on the Red Planet in September 2016 with a mission focused on the planet's internal properties. Its landing place has been chosen with help from a ...
Space Exploration
Mar 6, 2015
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(PhysOrg.com) -- A team of researchers at the University of Alberta in Edmonton has broken new ground in outer space by pinpointing the impact epicentre of an Earthbound space storm as it crashes into the atmosphere and giving ...
Space Exploration
May 27, 2009
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(Phys.org) —A heat-sensing camera designed at Arizona State University has provided data to create themost detailed global map yet made of Martian surface properties.
Space Exploration
Jul 15, 2014
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People still talk about the launch. It was the first – and so far, only – time NASA has launched five satellites at one time. Carefully balanced inside a Delta II rocket, the five THEMIS (short for Timed History ...
Space Exploration
Feb 17, 2012
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