In 1610, Galileo Galilei discovered four moons of which planet?
A. Saturn
B. Jupiter
C. Neptune
D. None of these
Answer: Option B
Solution(By Examveda Team)
The Galilean moons are the four largest moons of Jupiter—Io, Europa, Ganymede, and Callisto. They were first seen by Galileo Galilei in January 1610, and recognized by him as satellites of Jupiter in March 1610. They were the first objects found to orbit another planet.Related Questions on Universe
A. Earth and Jupiter
B. Jupiter and Saturn
C. Saturn and Earth
D. Saturn and Neptune
A. Contracted star with intense gravitational pull
B. Star with very low surface temperature
C. Star with no atmosphere
D. Pulsating star
Messenger satellite has been launched by NASA for the study of
A. Mercury
B. Venus
C. Saturn
D. Jupiter
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