Chuck Bednar for redOrbit.com - Your Universe Online Researchers using NASA’s Van Allen Probes have discovered a nearly impenetrable barrier that prevents the most energetic electrons from reaching Earth and protects both astronauts and satellites from potential harm. A team of experts from MIT, the University of Colorado and elsewhere discovered the invisible shield approximately 7,200 miles above the Earth. The barrier blocks dangerous ultrarelativistic electrons from bombarding the planet by allowing them to get no closer than 11,000 kilometers from the Earth’s surface. According to Jennifer Chu of the MIT News Office, ultrarelativistic electrons comprise the outer band of the Van Allen radiation belt, and can travel around the entire planet in just five minutes.
Read more about Scientists Discover Impenetrable Star Trek-Like 'Force Field' Surrounding Earth
Read more about Scientists Discover Impenetrable Star Trek-Like 'Force Field' Surrounding Earth
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