NASA Space mission Juno spotted a large black spot on Jupiter, this spot was more than 3,500KM long. This was first time anyone saw this kind of black spot on Jupiter. This spot was so big that it could have covered everything between India and Singapore. While Everyone was puzzling what that spot was? It is found that it is shadow of Jupiter’s moon IO.
This spot was Lunar Eclipse on Jupiter and it is so it is one of the rare occasion when there is such eclipse observed outside of planet earth.