Nasa’s two Voyager probes have found magnetic bubbles in the region of the solar system known as the Heliosheath, 9 billion miles away from Earth. In the 1950s, scientist believed this region of space was relatively smooth. But when Voyager 1 entered the Heliosheath in 2007, and Voyager 2 got there in 2008 they detected a turbulence that is generated by the Sun’s magnetic field, that creates magnetic bubbles up to 100 million miles wide.
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