It’s called the heliosphere, and it’s made of tenuous plasma billowing from the sun. This ionized gas flows outward along magnetic field lines emerging from our star, spooling out in radial spirals tied to the sun’s rotation.
Yet despite the heliosphere being known and studied since the late 1950s, its hazy boundaries have only relatively recently come to light—with a surprising discovery.
Publisher: Scientific American
Author: Theo Nicitopoulos
Twitter: @sciam
Reference: (Read more) Visit Source
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