Science news articles about 'substorms'

... . The plasma implodes toward Earth as the space currents are disrupted, which is the start of the substorm. A second theory says the trigger is farther out, about one-third of the distance to the ...

... for NASA's THEMIS mission (Time History of Events and Macroscale Interactions during Substorms). THEMIS was used to discover the size of the leak. Earth's magnetic field acts as a shield against ...

Canadian scientists said they have been able to trace a solar substorm behind the northern lights back to its origin point in deep space, a development that could provide a new tool in predicting ...

... variations by Dr. Jonathan Rae from the University of Alberta pinpointed just when and where one substorm explosively released its magnetic energy. "Undulating auroral features and ripples in Earth's ...

... et al. use data from NASA's five Time History of Events and Macroscale Interactions during Substorms (THEMIS) satellites to create a new map of their distribution. The authors find, in agreement with ...

... wind and the Earth's magnetosphere. One of their papers addresses convection and its affect on substorms to show it is a global phenomenon. "When the interplanetary magnetic field is pointing ...