Jupiter is visible to the naked eye and has been known for thousands of years. So no satellite was needed to find Jupiter.
Europa is one of Jupiter's icy satellites (moons)
Leda & Lysithea, the 10th and 12th of Jupiter, respectively.
Europa I think.
Jupiter is not a satellite, it is a planet.
NASA's Voyager 1 satellite completed mission fly-bys past Jupiter and Neptune. It passed Jupiter in 1979 and Neptune ten years later.
jupiter
Because it is a natural satellite of Jupiter.
Satellite
there is 36 satellite moons I think.
casinee was launched recently to jupiter
yes
yes