NASA probes find new radiation belt circling Earth
Friday, March 1, 2013 - 01:00
in Astronomy & Space
The layer of high-energy particles was dispersed by a solar flare after its discovery, but it still upends scientific theory about space weather.A pair of NASA probes has discovered a previously unknown ring of radiation blanketing the Earth, upending a long-standing scientific theory about how charged particles coalesce around the planet, scientists reported Thursday.