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ScienceCasts: Studying Earth’s Magnetic Personality

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Visit http://science.nasa.gov/ for more. NASA is about to launch a fleet of spacecraft to investigate the mystery of "magnetic reconnection," which is making things explode across the cosmos. MMS Page: http://www.nasa.gov/mms/ MMS Blog: http://blogs.nasa.gov/mms/
03:54
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Visit http://science.nasa.gov/ for more. A NASA-sponsored researcher at the University of Iowa has developed a way for spacecraft to hunt down hidden magnetic portals in the vicinity of Earth. These portals link the magnetic field of our planet to that of the sun.
04:04
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Visit http://science.nasa.gov/ for more. A new map of the galaxy by ESA's Planck spacecraft has revealed gigantic loops of magnetism and other structures that point to a magnetic dynamo at work in the Milky Way.
36:11
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During a Feb. 25 briefing at NASA headquarters, details were discussed about the upcoming Magnetospheric Multiscale (MMS) mission, scheduled for launch March 12 from Cape Canaveral Florida. MMS will study a phenomenon called magnetic reconnection – a fundamental process during which magnetic fields around Earth connect and disconnect, releasing explosive energy. Magnetic reconnection also occurs throughout the universe and can accelerate particles up to nearly the speed of light.
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Visit http://science.nasa.gov/science-news/science-at-nasa/2013/05aug_fieldflip/ for more! Something big is happening on the sun. The sun's global magnetic field is about to flip, a sign that Solar Max has arrived.
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Thousands of years ago, Earth’s magnetic poles flipped. What will happen the next time they reverse? Tara explains. Read More: Extremely rapid directional change during Matuyama-Brunhes geomagnetic polarity reversal http://gji.oxfordjournals.org/content/199/2/1110.abstract “We report a palaeomagnetic investigation of the last full geomagnetic field reversal, the Matuyama-Brunhes (M-B) transition, as preserved in a continuous sequence of exposed lacustrine sediments in the Apennines of Central Italy.” Photo © Science Picture Co./Corbis ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Trace Dominguez on Twitter https://twitter.com/tracedominguez Tara Long on Twitter https://twitter.com/TaraLongest DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq
47:17
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A pre-launch news briefing on March 10 from NASA’s Kennedy Space Center in Florida previewed the Magnetospheric Multiscale (MMS) mission, set to lift off at 10:44 p.m. EDT Thursday, March 12 from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. MMS will study magnetic reconnection, a fundamental process that occurs throughout the universe when magnetic fields connect and disconnect explosively, releasing energy and accelerating particles up to nearly the speed of light.