15 questions on the planet Neptune:
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The quiz above includes the following questions:
- How many time the mass of the Earth is Neptune’s mass?
- How long does it take Neptune to orbit the Sun?
- Neptune is named after the Roman god of ...
- Neptune was not discovered by empirical observation but by ...
- When was Neptune first observed?
- Neptune, like Uranus, has an interior of rocks and ice and thus is considered ...
- In 1821, Alexis Bouvard deducted the presence of Neptune by observing the orbital deviation of ...
- Since the reclassification of Pluto as a ‘dwarf planet’, Neptune has regained the title of the Solar System’s ...
- How much of Neptune’s atmosphere accounts for its mass?
- Since its discovery how many orbits around the Sun has Neptune completed?
- How many known moons does Neptune have?
- Neptune’s largest moon is ...
- How long after Neptune’s discovery was Triton discovered?
- Only one spacecraft has so far visited Neptune. It was ...
- When did Voyager 2 visit Neptune?