7 August 2011 Updated at 05:54 ET
Antimatter belt around Earth discovered by Pamela craft
The antiprotons lie sandwiched between the inner and outer Van Allen belts (in red) around the Earth
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A thin band of antimatter particles called antiprotons enveloping the Earth has been spotted for the first time.
link-
http://www.bbc.co.uk/news/science-environment-14405122