Explore the depths of cosmic phenomena with this rigorous test
A set of expert-level multiple‑choice items that probe your grasp of advanced concepts in stars and galaxies.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
What power‑law relationship best approximates a star's main‑sequence lifetime as a function of its mass?
- 2
Which spectral class exhibits the most powerful stellar winds?
- 3
Identify the nearest massive galaxy cluster to the Local Group.
- 4
What phenomenon creates multiple images of a distant quasar when a foreground galaxy lies along the line of sight?
- 5
Which theory most convincingly explains the persistence of spiral arms in disk galaxies?
- 6
Which element's 21‑centimeter line is employed to map neutral hydrogen in galaxies?
- 7
What type of supernova results from the thermonuclear explosion of a white dwarf in a binary system?
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