Questions in this quiz: Jupiter and its Moons

The largest planet. The Great Red Spot, Jovian bands, magnetic field, ring system. The Galilean moons (Io, Europa, Ganymede, Callisto) and what makes each unique.

1. Which planet in our solar system has the greatest mass? — Options: Saturn, Neptune, Jupiter, Uranus
2. The Great Red Spot is best described as which kind of feature? — Options: A persistent anticyclonic storm, A massive impact crater, A volcanic plateau, A frozen methane lake
3. Which of the four large Galilean moons is famous for its intense volcanic activity? — Options: Europa, Io, Ganymede, Callisto
4. Which Galilean moon is widely considered the most promising candidate for hosting a subsurface ocean of liquid water? — Options: Io, Callisto, Ganymede, Europa
5. Which Galilean moon is the largest in the solar system, exceeding even the planet Mercury in size? — Options: Ganymede, Io, Callisto, Europa
6. Who first observed the four largest moons of Jupiter through a telescope in 1610? — Options: Johannes Kepler, Galileo Galilei, Tycho Brahe, Nicolaus Copernicus