A giant star has the same luminosity as a main sequence star. As the giant is larger, it will have a __________ than the main sequence star.
A. cooler temperature.
B. hotter temperature.
C. smaller parallax angle.
D. larger parallax angle.
Answer:A
A giant star has the same luminosity as a main sequence star. As the giant is larger, it will have a __________ than the main sequence star.
A. cooler temperature. B. hotter temperature. C. smaller parallax angle. D. larger parallax angle.