Every day, invisible magnetic explosions are happening around Earth, on the surface of the sun and across the universe. These explosions, known as magnetic reconnection, occur when magnetic field lines cross, releasing stored ...
Space Exploration
Mar 9, 2017
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The ancients believed that the Earth was surrounded by celestial spheres, which produced divine music when they moved. We lived, so to speak, in a huge musical instrument. This may sound silly but modern science has proved ...
Earth Sciences
Feb 23, 2017
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On Sept. 15, 2016, NASA's Magnetospheric Multiscale, or MMS, mission achieved a new record: Its four spacecraft are flying only four-and-a-half miles apart, the closest separation ever of any multi-spacecraft formation. The ...
Space Exploration
Sep 21, 2016
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Solar wind forms the energy source for aurora explosions. How does the Earth's magnetosphere take in the energy of the solar wind? An international team led by Hiroshi Hasegawa and Naritoshi Kitamura (ISAS/JAXA) analyzed ...
Space Exploration
Jul 22, 2016
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Looking like artificial shooting stars, the four Magnetospheric Multiscale, or MMS, spacecraft appear as greenish streaks in this series of photos taken with a DSLR camera from Japan on Nov. 30, 2015, at 2:11 p.m. EST (Dec. ...
Space Exploration
Jan 25, 2016
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NASA is sending four identical spacecraft on a billion-dollar mission to study the explosive give-and-take of the Earth and sun's magnetic fields.
Space Exploration
Mar 12, 2015
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NASA's second mini-stack of two Magnetospheric Multiscale, or MMS, observatories arrived Nov. 12, 2014, in Florida to begin launch preparations. All four MMS observatories will go through a host of pre-launch activities.
Space Exploration
Nov 19, 2014
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Since the first up-close observations of Saturn, made by the Pioneer 11 probe in 1979, a great deal has been learned about the dynamics of the gas giant's magnetosphere. In-depth observations made by the Cassini orbiter, ...
Space Exploration
Dec 4, 2013
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(Phys.org) —Since 2000, the four identical satellites of the Cluster quartet have been probing Earth's magnetosphere in three dimensions. This week, two of them made their closest-ever approach, just 4 km, enabling valuable ...
Space Exploration
Sep 20, 2013
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On August 21, 2013 at 1:24 am EDT, the sun erupted with an Earth-directed coronal mass ejection, or CME, a solar phenomenon that can send billions of tons of particles into space and reach Earth one to three days later. These ...
Space Exploration
Aug 21, 2013
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