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Consider our Moon, a white dwarf, the Sun, a red giant, and a neutron star. Which of the following lists them in the correct order of size (diameter), from smallest to largest? red giant Moon neutron star white dwarf the Sun

Consider our Moon, a white dwarf, the Sun, a red giant, and a neutron star. Which of the following lists them in the correct order of size (diameter), from smallest to largest? red giant Moon neutron star white dwarf the Sun

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Consider our Moon, a white dwarf, the Sun, a red giant, and a neutron star. Which of the following lists them in the correct order of size (diameter), from smallest to largest? red giant Moon neutron star white dwarf the Sun
Transcribed Image Text:Consider our Moon, a white dwarf, the Sun, a red giant, and a neutron star. Which of the following lists them in the correct order of size (diameter), from smallest to largest? red giant Moon neutron star white dwarf the Sun
Which of the following statements about black holes is true for an object falling into a black hole? (select all true answers) In the object's reference frame, the object will slow down as it falls and come to a stop just before it reaches the event horizon. Once the object crosses the event horizon, it can no longer communicate with anything outside the black hole. From an outside observer's viewpoint, there will be a bright flash of light as the object crosses the event horizon. From an outside observer's viewpoint, light from the object will become increasingly blueshifted as it approaches the event horizon.
Transcribed Image Text:Which of the following statements about black holes is true for an object falling into a black hole? (select all true answers) In the object's reference frame, the object will slow down as it falls and come to a stop just before it reaches the event horizon. Once the object crosses the event horizon, it can no longer communicate with anything outside the black hole. From an outside observer's viewpoint, there will be a bright flash of light as the object crosses the event horizon. From an outside observer's viewpoint, light from the object will become increasingly blueshifted as it approaches the event horizon.
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