at -4.3. Location and timing affect Jupiter's apparent brightness. But it's also intrinsically bright because the planet is enormous and covered in clouds. You could stuff 1,300 Earths inside it ...

Io orbits around Jupiter, the largest planet in our solar system ... “That’s what’s happening inside Io,” Bolton said. “That squeezing is generating heat, and it’s getting so hot ...

Juno arrived at Jupiter in 2016 and has made over 60 orbits of the giant planet, but for the past few ... revealing veins of bright red inside and a dark red core If there's no magma ocean ...