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OCR A LEVEL PHYSICS ASTROPHYSICS QUIZ WITH VERIFIED ANSWERS.
What is a black hole? - CorreCt Answers -The end stage of a stellar core with sufficient mass and density for its escape velocity to exceed the speed of light. What is the typical mass of a stellar core that creates a black hole? - CorreCt Answers -3 solar masses. What is a Hertzsprung-Russell Diagram? - CorreCt Answers -A log-log plot of luminosity (on the y-axis) against average surface temperature (backwards on the x-axis) for a group of stars
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