Auroras at Saturn's poles could be the heat source that keeps the upper layers of the planet hot, NASA's Cassini finds

Auroras at Saturn's poles could be the heat source that keeps the upper layers of the planet hot, NASA's Cassini finds

Auroras at Saturn's poles could be the heat source that keeps the upper layers of the planet hot, NASA's Cassini finds
Auroras at Saturn's poles could be the heat source that keeps the upper layers of the planet hot, NASA's Cassini finds