Which of the following is NOT a moon of Jupiter?

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SSC CHSL Exam 2024 Tier-I Official Paper (Held On: 04 Jul, 2024 Shift 4)
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  1. Callisto
  2. Triton
  3. Ganymede
  4. Europa

Answer (Detailed Solution Below)

Option 2 : Triton
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The correct answer is Triton

Key Points

  • Triton is not a moon of Jupiter.
  • Callisto, Ganymede, and Europa are all moons of Jupiter.
  • Triton is actually the largest moon of Neptune.
  • Jupiter has numerous moons, with the four largest being the Galilean moons: Io, Europa, Ganymede, and Callisto.
  • These moons were first observed by Galileo Galilei in 1610 and are some of the largest objects in our Solar System outside the Sun and the eight planets.

Additional Information

  • Jupiter is the largest planet in our Solar System and has a very strong magnetic field.
  • Jupiter's atmosphere is primarily composed of hydrogen and helium, with traces of other gases.
  • Jupiter's Great Red Spot is a giant storm that has been raging for hundreds of years.
  • Jupiter's moons are of great interest to scientists because some of them, like Europa, may have subsurface oceans that could potentially harbor life.
  • Neptune's moon Triton is unique because it has a retrograde orbit, meaning it orbits in the opposite direction to Neptune's rotation.
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