Portal:Energy/Selected picture/7

Add links
Source: Wikipedia, the free encyclopedia.

Photo credit: Senior Airman Joshua Strang, United States Air Force
An

aurora, caused by the release of energy as charged particles collide with atoms in the Earth's upper atmosphere
.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Portal:Energy/Selected_picture/7&oldid=169563655"