News Astronomy

Where does the solar wind come from? The eclipse may offer answers

A look at where the sun’s surface meets its atmosphere could reveal the wind’s origins

aurora

CHARGED UP  Auroras are triggered in Earth’s atmosphere by the solar wind, a constant stream of charged particles wafting away from the sun. This photo of an aurora was taken from the International Space Station on June 26.

NASA

By Lisa Grossman

- More than 2 years ago

The sun can’t keep its hands to itself.