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Easy Planet Neptune Trivia Quiz Questions With Answers

Easy kids planet Neptune trivia quiz questions and answers.

 

Easy Planet Neptune Trivia Quiz Questions With Answers

Neptune is which planet from the sun?
A: The eighth and farthest planet from the Sun.

Where does Neptune rank in size compared to the other planets in our solar system?
A: It is the fourth-largest planet by diameter and the third-largest by mass.

Among the gaseous planets in the Solar System, Neptune is the most what?
A: Dense.

Neptune has how many times the mass of Earth?
A: 17.

Neptune is slightly more massive than its near-twin, which is what planet?
A: Uranus.

Neptune orbits the Sun at what average distance?
A:  30.1 astronomical units.

What was the planet Neptune named after?
A: The Roman god of the sea.

 

Neptune was the first planet found by what?
A: Mathematical prediction rather than by empirical observation.

Unexpected changes in the orbit of Uranus led whom to deduce that its orbit was subject to gravitational perturbation by an unknown planet?
A: Alexis Bouvard.

Neptune has been visited by how many spacecraft?
A: One, Voyager 2, which flew by the planet on 25 August 1989.

Neptune is similar in composition to Uranus, and both have compositions which differ from what two planets?
A: Jupiter, and Saturn.

Neptune's atmosphere is similar to Jupiter's and Saturn's in that it is composed primarily of what?
A: Hydrogen and helium.

What accounts for the planet's blue appearance?
A: Traces of methane in the outermost regions.

Neptune's atmosphere is notable for its active and visible what?
A: Weather patterns.

 

On the Voyager 2 flyby, the planet's southern hemisphere possessed a Great Dark Spot comparable to the what?
A: Great Red Spot on Jupiter.

These weather patterns are driven by the strongest sustained winds of any planet in the Solar System, with recorded wind speeds as high as what?
A: 1,300 mph.

Why is Neptune's outer atmosphere one of the coldest places in the Solar System?
A: Because of its great distance from the Sun.

What is the temperature at the planet's centre?
A: Approximately 5,400 K (5,000 °C).

Neptune has a faint and fragmented what?
A:  Ring system.