THEMIS satellite tracks electrical tornadoes in space
(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...
View ArticleSix years in space for THEMIS: Understanding the magnetosphere better than ever
(Phys.org)—On Earth, scientists can observe weather patterns, and more importantly can predict them, through the use of tens of thousands of weather observatories scattered around the globe. Up in the...
View ArticleNo link between solar activity and earthquakes
Geophysicists have disproved a long-held belief that changes in solar activity can be linked to increased earthquake activity.
View ArticleSun emits a solstice CME
On June 20, 2013, at 11:24 p.m., 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 that can reach Earth one...
View ArticleSun erupts with a CME toward Earth and Mercury
On July 9, 2013, at 11:09 a.m. 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 that can reach Earth...
View ArticleCoronal mass ejection to pass Earth, Messenger and Juno
On July 16, 2013, at 12:09 a.m. 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 that can reach Earth...
View ArticleNASA spacecraft capture an Earth directed coronal mass ejection
On August 20, 2013 at 4:24 am EDT, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon which can send billions of tons of particles into space that can reach Earth...
View ArticleNASA sees another Earth-directed CME
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...
View ArticleScientists identify a plasma plume that naturally protects the Earth against...
The Earth's magnetic field, or magnetosphere, stretches from the planet's core out into space, where it meets the solar wind, a stream of charged particles emitted by the sun. For the most part, the...
View ArticleFierce 2012 magnetic storm barely missed Earth
Earth dodged a huge magnetic bullet from the sun on July 23, 2012.
View ArticleSpanish instrument reveals how magnetic structures in the Sun are born and...
The IMaX magnetograph, an instrument entirely developed in Spain, has revealed how flux tubes are formed and evolve in the Sun. These tubes are considered to be the building blocks of solar magnetism...
View ArticleElectromagnetic disaster could cost trillions and affect millions. We need to...
Predicting or worrying about disasters is a popular pastime. But we tend to take notice when somebody with money at stake becomes concerned.
View ArticleHow the sun caused an aurora this week
On the evening of Aug. 20, 2014, the International Space Station was flying past North America when it flew over the dazzling, green blue lights of an aurora. On board, astronaut Reid Wiseman captured...
View ArticleResearchers use NASA and other data to look into the heart of a solar storm
A space weather storm from the sun engulfed our planet on Jan. 21, 2005. The event got its start on Jan. 20, when a cloud of solar material, a coronal mass ejection or CME, burst off the sun and headed...
View ArticleScientists take key step toward solving a major astrophysical mystery
Magnetic reconnection can trigger geomagnetic storms that disrupt cell phone service, damage satellites and black out power grids. But how reconnection, in which the magnetic field lines in plasma snap...
View ArticleSolar storm arrives at Earth, but not a problem
A solar storm zapped Earth on Friday but it was causing few, if any, problems. It also may allow more people to see the colorful northern lights.
View ArticleAstronomers discover new clues to the 40-year-old mystery behind Venus's...
Most of us have seen the aurora borealis, also called the northern lights, which paint the night sky with a multi-colored glow. These ghostly lights also show up in the southern hemisphere. But the...
View ArticleSolar observatories face the prospect of being eclipsed
Motors whirred as a gleaming white dome slowly opened, allowing one of the premier solar telescopes in the world to track the magnetic fields and exploding flares of the sun. In a few hours, computers...
View ArticleSevere solar storm may disrupt power, satellites (Update)
A pair of solar eruptions over the weekend have unleashed a severe geomagnetic storm that could disrupt power and communications on Earth, US officials said Tuesday.
View ArticleSun experiences seasonal changes, new research finds
The Sun undergoes a type of seasonal variability with its activity waxing and waning over the course of nearly two years, according to a new study by a team of researchers led by the National Center...
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