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What's a Dwarf Planet? Trivia Quiz

This quiz is about celestial bodies that orbit the sun; assume a hydrostatic equilibrium; haven't cleared their neighbourhood and aren't satellites plus their moons. Enjoy!

A multiple-choice quiz by mudman01. Estimated time: 4 mins.

Author
mudman01

Time
4 mins

Type
Multiple Choice

Quiz #
324,971

Updated
Dec 03 21

# Qns
10

Difficulty
Tough

Avg Score
6 / 10

Plays
530

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Pluto has several moons. Which moon is the largest? Hint

Hydra

Nix

Charon

Garth

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Question 2 of 10

2. Which of these is the name of Ida's moon? Hint

Rex

Patto

Brachio

Dactyl

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Question 3 of 10

3. Which of these dwarf planets is the coldest? Hint

Eris

Makemake

Pluto

Haumea

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Question 4 of 10

4. Which of these dwarf planets is the largest? Hint

Makemake

Quaoar

Ceres

Eris

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Question 5 of 10

5. Which of these names is name of one of Quaoar's (or Orcus') moons? Hint

Sedna

Weywot

Abreyo

Testimo

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Question 6 of 10

6. What is the name of Eris' only moon? Hint

Dysnomia

Exclint

Descsapoli

Expansia

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Question 7 of 10

7. Which of these is one of Haumea's moons? Hint

Namaka

Both

Hi'iaka

Neither

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Question 8 of 10

8. Which of these dwarf planets is closest to the sun? Hint

Haumea

Ceres

Makemake

Eris

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Question 9 of 10

9. Which of these dwarf planets is farthest from the sun? Hint

Haumea

Makemake

Eris

Pluto

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Question 10 of 10

10. Which of these dwarf planets is the warmest? Hint

Sedna

Makemake

Haumea

Pluto

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Nov 01 2024 : Guest 174: 2/10
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Quiz Answer Key and Fun Facts

1. Pluto has several moons. Which moon is the largest?

Answer: Charon

The first three of Pluto's moons to be discovered were Charon, Nix and Hydra. Charon is the largest moon. Hydra is said to be bigger than Nix because when it was discovered it was 25% brighter.

2. Which of these is the name of Ida's moon?

Answer: Dactyl

Dactyl is the only moon belonging to Ida that has been discovered so far. Dactyl was discovered in the year 1993 by NASA's Galileo spacecraft.

3. Which of these dwarf planets is the coldest?

Answer: Eris

All of these temperatures are averages. The temperature of Eris is -243�C (-405�F). The temperature of Pluto is -236�C (-393�F). The temperature on Makemake is -240�C (-400�F). The temperature on Haumea is -241�C (401.8�F)

4. Which of these dwarf planets is the largest?

Answer: Eris

Eris is the largest known dwarf planet. The diameter of Eris is around 2397 kilometres.

5. Which of these names is name of one of Quaoar's (or Orcus') moons?

Answer: Weywot

Quaoar was discovered on the 4th June 2002. Weywot was discovered five years later on the 22nd of February 2007. Orcus was discovered on the 14th February 2004.

6. What is the name of Eris' only moon?

Answer: Dysnomia

Dysnomia was discovered in 2005. Eris was discovered on the 5th January 2005.

7. Which of these is one of Haumea's moons?

Answer: Both

Haumea has two moons Hi'iaka and Namaka. Hi'iaka was discovered on the 26th January 2005. Namaka was discovered on the 30th June 2005.

8. Which of these dwarf planets is closest to the sun?

Answer: Ceres

Ceres is the closest dwarf planet to the sun. Ceres is around 415 million kilometres from the sun.

9. Which of these dwarf planets is farthest from the sun?

Answer: Eris

Eris orbits the sun in the shape of an oval. When it is furthest away from the sun it is a distance of approximately 14 billion kilometres away from the sun. When it is closest to the sun it is a distance of 5,684,724,000 kilometres away from the sun.

10. Which of these dwarf planets is the warmest?

Answer: Pluto

Pluto is the warmest dwarf planet listed at -236�C. Makemake and Sedna are both −240 �C and Haumea is the coldest at -241�C.

Source: Author mudman01

This quiz was reviewed by FunTrivia editor crisw before going online.
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