SOLAR SYSTEM

UNIVERSE

OVERVIEW OF THE SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is Neptune’s largest moon?
A
Tiberon
B
Triton
C
Titania
D
Oberon
Explanation: 

Detailed explanation-1: -Triton is the largest of Neptune’s 13 moons. It is unusual because it is the only large moon in our solar system that orbits in the opposite direction of its planet’s rotation―a retrograde orbit. Scientists think Triton is a Kuiper Belt Object captured by Neptune’s gravity millions of years ago.

Detailed explanation-2: -As measured by Voyager, Triton is about 2, 706 km (1, 681 miles) across, which is nearly the diameter of Earth’s Moon.

Detailed explanation-3: -The two outermost Neptunian irregular satellites, Psamathe and Neso, have the largest orbits of any natural satellites discovered in the Solar System to date.

Detailed explanation-4: -Dutch-American astronomer Gerard Kuiper (for whom the Kuiper Belt was named) found Neptune’s third-largest moon, Nereid, in 1949.

Detailed explanation-5: -Jupiter’s moon Ganymede is the largest moon in the Solar System, and Ganymede as well as Saturn’s moon Titan are both larger than Mercury and Pluto. Earth’s Moon, Jupiter’s moons Callisto, Io, and Europa, and Neptune’s moon Triton are all larger than Pluto, but smaller than Mercury.

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