Jupiter has 79 moons and is known as the 'king of the planets'. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Jupiter is the largest planet in ...
On March 4, 1979, NASA’s Voyager 1 spacecraft took the first photos of rings around Jupiter. [‘On This Day in Space’ Video Series on Space.com] This was the first time anyone had seen Jupiter’s rings.