Astro 7n Exam 2 questions and answers graded A+ 2024

Astro 7n Exam 2A high-luminosity star... A. is always at a larger distance than a low-luminosity star B. emits more light than a low-luminosity star C. is always redder than a star with a lower luminosity D. is at a lower temperature than a low-luminosity star E. is always at a smaller distance than a low-luminosity star - correct answer B If a red giant appears the same brightness as a red main sequence star, which one is further away? A. the red giant B. we cannot tell C. it depends on the phase of the moon D. the main sequence star E. they are at the same distance - correct answer A The heaviest nuclei of all are formed... A. during helium burning B. as part of the p-p chain C. during the carbon burning D. during supernova explosion E. during all stages of stellar evolution of massive stars - correct answer D