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Van Allen Belts and Black Holes

3 March 2013

NASAs mission to probe the Van Allen belts has found a third ring of high energy 12,000 miles above the surface of the Earth. It only lasted a short while, however, as it disappeared after four weeks as a result of another burst of solar wind. The third belt, it is now thought, was formed by a huge solar eruption in late August – see www.io9.com/5986821/nasa-weve-discovered-a-previously-unknown-surprise-c…

At www.sciencedaily.com/releases/2013/02/130227132544.htm … we learn that NASAs NuSTAR X-Ray space observatory, in association with ESAs XMM-Newton satellite has found a black hole that is said to spin as fast as Einstein's theory of gravity will allow. Published by Nature, Feb 28th 2013, the study and observations are said to support the theory of general relativity which says gravity can bend space-time (see also www.nasa.gov/nustar and http://phys.org/print281190007.html and dx.doi.org/10.1038/nature11938)

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