Correct Answer:
Option D - Europa is one of the Galilean moons of Jupiter, along with Ganymede and Callisto. Astronomer Galileo Galilei got the credit for discovering these moons, among the largest in the solar system. Europa is the smallest of the four but it is one of the more intriguing satellites.
D. Europa is one of the Galilean moons of Jupiter, along with Ganymede and Callisto. Astronomer Galileo Galilei got the credit for discovering these moons, among the largest in the solar system. Europa is the smallest of the four but it is one of the more intriguing satellites.