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Astronomy

The Role of Cosmic Rays in Driving Galactic Outflows

Quick fact

Cosmic rays can drive outflows that carry away thousands of times more mass than the supernova debris itself, and they may be responsible for the largest galactic winds we observe.

Why this is interesting

You've seen galaxies scattered across the cosmos, but what if the faintest cosmic particles—streaming at near light speed—are actually powerful enough to push gas out of a galaxy?