Moons - GS questions based on daily current affairs

1)   Which of the following statements is/are correct about Galilean moons?
          
1. It consists of three moons Jupiter & one moon of Saturn
2. Ganymede is the largest moon in the Solar System which is even bigger than the planet Mercury


a. Only 1
b. Only 2
c. Both
d. None
Answer  Explanation 

ANSWER: Only 2

Explanation:
- The Galilean moons are the four largest moons of Jupiter—Io, Europa, Ganymede, and Callisto.
- They were discovered by Galileo Galilei around January 1610 and were the first group of objects found to orbit another planet.
- Ganymede is the largest moon in the Solar System, and is even bigger than the planet Mercury. The three inner moons—Io, Europa, and Ganymede—are in a 4:2:1 orbital resonance with each other.