Hard Astronomy Quiz: Expanding Universe, Black Holes, Big Bang
A hard astronomy quiz on accelerating expansion, galaxies moving apart in 1929, black holes, the 1965 radiation and gravitational waves. 10 questions.
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- Which phenomenon describes the accelerating expansion of the universe, attributed to a still poorly understood energy?
- Which American astronomer discovered in 1929 that galaxies are moving away from each other, evidence of the expanding universe?
- Which type of celestial object has gravity so intense that not even light can escape it?
… and 7 more questions to discover by playing.