Concept explainers
Rank the least massive to most massive star.
Answer to Problem 1QP
The least massive to most massive star is black hole, neutron star, and white dwarf.
Explanation of Solution
The massive stars are formed within dense clouds of dust and gas located in the interstellar medium of a galaxy. Gravity causes these clouds to collapse in on them with small disturbance within a cloud causing denser clumps of matter.
If the surviving core is acts between 1.4 solar masses it contracts to become a tiny, very dense Neutron star.
The masses for both white dwarfs and neutron stars have an upper limit, dense stellar remnants more massive than about
Conclusion:
Therefore, the least massive to most massive star is block hole, neutron star, and white dwarf.
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Chapter 18 Solutions
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- Black holes are formed by A. collapsed dark nebulae. B. supernovae from binary stars. C. a lack of any light in a region of space. D. supernovae from the most massive stars.arrow_forwardHypernovae are thought to be a. a star greater than 20 solar masses collapsing into a black hole. b. binary systems involving mass transferred to a neutron star. c. binary systems involving mass transferred to a white dwarf. d. two main-sequence stars colliding. e. binary systems involving mass transferred to a black hole.arrow_forwardThe density of a ________________ is greater than the density of a _________________. a. white dwarf; neutron star b. neutron star; black hole c. pulsar; neutron star d. pulsar; white dwarf e. white dwarf; black holearrow_forward
- The orbit of the binary pulsar PSR 1936+16, studied by Taylor and Hulse, a. is so small that the orbital period is smaller than the pulsar period. b. is growing smaller, presumably by emitting gravitational waves. c. provides evidence that it is being orbited by at least 6 planets the size of Jupiter. d. shows large changes each time an X ray burst is emitted from the system. e. contains a white dwarf and a black hole.arrow_forwardBlack hole candidates are conspicuous by their continuous or flickering emission of a. infrared light. b. ultraviolet light. c. gamma rays. d. X rays. e. all of the above.arrow_forwardOf the following objects, the one that produces the least energy is a a. supernova. b. Type 1 Seyfert galaxy. c. Type 2 Seyfert galaxy. d. quasar.arrow_forward
- In order to form a black hole, a star must be about how much more massive than our Sun? a. Fifty times as massive b. Ten times as massive c. Twice as massive d. Twenty times as massive e. It actually must be less massive than our Sunarrow_forwardOriginally, the signals that were found to be pulsars were thought to be a. spinning neutron stars. b. spinning white dwarfs. c. spinning black holes. d. little green men.arrow_forwardPulsars result from a. expanding red giant stars b. white dwarf supernovas c. spinning neutron starsarrow_forward
- Which of the following nuclear fuels does a one-solar-mass star use over the course of its entire evolution? a. hydrogen b. hydrogen and helium c. hydrogen, helium, and carbon d. hydrogen, helium, carbon, and neon e. hydrogen, helium, carbon, neon, and oxygenarrow_forwardOnce carbon builds up in the Sun's core, astronomers expect our Sun to first become a red giant, then a .. Select one: A. neutron star B. red dwarf C. planetary nebula D. black hole E. pulsararrow_forwardIf a stellar remnant is in between 0.4 and 1.4 solar masses, the resulting object will be a a. brown dwarf. b. red dwarf. c. white dwarf. d. neutron star. e. black hole.arrow_forward
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