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Posted: **Tue May 17, 2022 7:08 pm**

: Question 42 Which Of The Following Stars Will Have The Longest Lifetime From Pre Main Sequence To Death 2 100 Times T 1 (38.65 KiB) Viewed 105 times

: Question 42 Which Of The Following Stars Will Have The Longest Lifetime From Pre Main Sequence To Death 2 100 Times T 2 (20.99 KiB) Viewed 105 times

QUESTION 42 which of the following stars will have the longest lifetime (from pre-main sequence to death? 2. 100 times the mass of the Sun b. 10 times the mass of the sun c. Sun d. one half the mass of the Sun QUESTION 43 During some phase of its stellar evolution, our Sun is expected to swell to a radius that is O a. About 3 times its value today. b. About 10 times its value today C. About 30 times its value today. d. Over 100 times its value today. QUESTION 44 After it leaves the main sequence, which of the following would not be possible for a very massive star O a black hole b. neutron star C. supemova d. proto star

QUESTION 45 Which statement describes the general relationship between the temperature and the luminosity of main sequence star a. A temperature decreases, luminosity increases D. As tomperature decreasen, lumine c. As temperature increases, luminos! Od. As temperature increases, luminosity QUESTION 46 Star XX has a temperature three times that of star W. Both stars XX and star Whave the same physical size, which statement about star X and stor below is ? O a Star XX is redder and dimmer than star YY b. Star XX is bluer and dimmer than star YY. c. Star XX is redder and brighter than star YY d. Star XX is bluer and brighter than star YY.