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Submission + - NASA Launches Four Spacecraft To Study Earth-Sun Magnetism (washingtonpost.com)

An anonymous reader writes: Late Thursday NASA used an Atlas rocket to put four new, identical spacecraft into orbit. "The quartet of observatories is being placed into an oblong orbit stretching tens of thousands of miles into the magnetosphere — nearly halfway to the moon at one point. They will fly in pyramid formation, between 6 miles and 250 miles apart, to provide 3-D views of magnetic reconnection on the smallest of scales. Magnetic reconnection is what happens when magnetic fields like those around Earth and the sun come together, break apart, then come together again, releasing vast energy. This repeated process drives the aurora, as well as solar storms that can disrupt communications and power on Earth. Data from this two-year mission should help scientists better understand so-called space weather."

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