White Dwarfs Quiz: questions and answers

White Dwarfs Quiz: questions and answers
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The white dwarf is the term used for naming stars that consist mostly of electron-degenerate matter. These stars have a faint luminosity. What else do you know about these stars? 

White Dwarfs quiz includes some interesting multiple-choice questions and answers. 

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For each question choose one of the multiple answers then click done to check your results.

1. What was the first white dwarf to be observed?

2. Who discovered the first ever white dwarf?

3. What are most of the white dwarfs composed of?

4. What does a star become before ending up as a white dwarf?

5. What percentage of stars end up as white dwarfs?

6. What does a white dwarf eventually become after it radiates heat?

7. What is the total number of white dwarfs known nowadays?

8. When was the name 'white dwarf' first used?

9. Do white dwarfs have atmospheres?