Astronomy Quiz

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15 Questions - Developed by: - Developed on: - 1.672 taken - 5 people like it

This quiz tests your knowledge on mainly the solar system, planets and stars.

  • 1
    The slow disintegration of black holes is called?
  • 2
    How did the Moon most likely come to existence?
  • 3
    What dwarf planet exists between Mars and Jupiter?
  • 4
    Which planet has the most eccentric (elliptical) orbit?
  • 5
    How far is one AU (Astronomical Unit)?
  • 6
    Heavy metals such as gold are formed through?
  • 7
    What is a brown dwarf?
  • 8
    In masses of Earth (M⊕), how much does Saturn weigh?
  • 9
    What is the Roche Limit and what happens when a moon crosses this border?
  • 10
    What are stars measured when compared to the mass of the Sun?
  • 11
    What is the radius of Earth’s heliosphere (Gravitational influence)?
  • 12
    A Neutron star with a mass of 1.3 to about 2.7 Suns has a diameter of 8-14km. If the star has a smaller diameter than this it will usually form a black hole. What does the Neutron star need to have to avoid this?
  • 13
    How thick is a Neutron star’s atmosphere?
  • 14
    What is a Chthonian planet?
  • 15
    Which of the following is not technically considered to be a star?

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Comments (2)


19 days ago
Ajit Deshpande (76391)
102 days ago
A red giant is definitely a star. Its outer layers of gas and dust have expanded. It does have a core where fusion is still going on. A black hole was once a star but is now a singularity hence not a star any more.