e! Science News -
19 Feb 2015 21:03
As the sun skims through the galaxy, it flings out charged particles in a stream of plasma called the solar wind. The solar wind creates a bubble, known as the heliosphere, which extends far outside the solar system. For decades, scientists have visualized the heliosphere as comet-shaped, with a very long tail extending thousands of times farther than the distance from Earth to the sun.
Share this Article