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Black Hole Trivia
Black holes are regions of space where gravity is so strong that not even light can escape. Predicted by Einstein's general relativity and first imaged in 2019, they range from collapsed stars to the supermassive giants at the hearts of galaxies. Test your knowledge of event horizons, singularities and Hawking radiation in this Black Hole trivia.
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Example questions & answers
What is the name of the supermassive black hole at the centre of our galaxy?
Answer: Sagittarius A*
Can anything, including light, escape once it crosses the event horizon?
Answer: No
What kind of waves, first detected in 2015, are produced when black holes merge?
Answer: Gravitational waves
The more mass a black hole has, the larger its ___ becomes.
Answer: Event horizon