ASTRO 7N -UNIT 3 PART 3
(quiz) Comprehensive Questions (Frequently Most Tested) with Verified Answers
What is the density at the center of a black hole? - Answer: Infinity
Why are things torn apart when they near a black hole? - Answer: The part of the object closer to the black hole feels a greater force Which of the following statements is true? - Answer: Nothing can travel faster than the speed of light The event horizon of a black hole is: - Answer: The minimum distance from which light can escape An "onion skin" shell burning structure, with elements up to iron being produced, develops in: - Answer: a star much more massive than the Sun What is at the center of a planetary nebula? - Answer: the core of the dying star which will eventually become a white dwarf (both a & c) How do solar-sized and smaller stars die? About how large are their remnants - Answer: They become white dwarfs, about the size of the Earth What does not happen when an object approaches a black hole? - Answer: it quickly gets sucked in even from a large distance How can we measure the mass of a black hole? - Answer: measure the speed of the orbit of a star in a binary system with the black hole
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