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Planet Neptune

Can you answer 10 question about planet Neptune?
Quiz by Nenadbs
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Last updated: January 4, 2023
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First submittedJanuary 4, 2023
Times taken10
Average score70.0%
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1. Is planet Neptune visible with naked eye?
No ✓
Yes ✓
2. Who discovered Neptune in 1846?
Johannes Kepler ✓
Carl Sagan ✓
Johann Galle ✓
He was the first person to view the planet Neptune and know what he was looking at.
3. Who was planet Neptune named after?
Greek god of the sky ✓
Roman god of the sea ✓
Norse god of the fire ✓
4. What type of planet is Neptune?
Terrestrial planet ✓
Gas giant ✓
Ice giant ✓
5. What is the region beyond Neptune called?
Kuiper belt ✓
Kepler belt ✓
Huygens belt ✓
6. What is the largest Neptune's moon called?
Despina ✓
Galatea ✓
Triton ✓
7. Neptune was the first planet that was discovered by what method?
Radial velocity ✓
Mathematical prediction ✓
Gravitational microlensing ✓
8. What fact is true about Neptune?
It is the windiest planet ✓
It is the flattest planet ✓
It is the coldest planet ✓
9. What are the moons of Neptune named after?
War deities ✓
Love deities ✓
Water deities ✓
10. Why isn't Galileo credited with the discovery of Neptune?
He thought he saw planet Uranus ✓
He hid his discovery ✓
He thought it was a star ✓
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