Earth’s Invisible ‘Star Trek’ Force Field Protects You From Killer Electrons

The Earth is surrounded by “killer electrons,” and it turns out one of the only things protecting us from them is an invisible force field of the type usually seen in sci-fi flicks.

These electrons, part of the two Van Allen radiation belts that surround the planet, can knock satellites out of commission and threaten astronauts. But in a new study in the journal Nature, scientists say they’ve discovered that these electrons suddenly stop at about 7,200 miles above the surface of the Earth.

It’s almost like theses electrons are running into a glass wall in space,” professor Daniel Baker, director of CU-Boulder’s Laboratory for Atmospheric and Space Physics and lead author of the study, said in a news release. “Somewhat like the shields created by force fields on ‘Star Trek’ that were used to repel alien weapons, we are seeing an invisible shield blocking these electrons. It’s an extremely puzzling phenomenon.”

While it had been speculated that Earth’s magnetic fields or even radio signals from human transmitters were blocking the electrons, Baker and his team say neither possibility explains the sudden wall the electrons appear to be hitting.

“When you look at really energetic electrons, —> Read More Here


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