What is the radius of a star with the same temperature of the Sun and nine times the luminosity of the Sun? a) 1 (same as the Sun) b) 2 (twice the Sun’s radius) o c) 3 (three times the Sun’s radius) d) 9 (nine times the Sun’s radius Question 4 (1 point) What is the luminosity of a main sequence star (in units of LSun) with twice the mass of the Sun? a) 2 O b) 4. c) 7 d) 11.3 Question 5 (1 point) Saved In what part of the HR diagram are luminous stars found? a) top b) right c) bottom d) left

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