Physics, 04.08.2020 16:01 sihamabdalla591
An astronomy student, for her PhD, really needs to estimate the age of a cluster of stars. Which of the following would be part of the process she would follow?
A. plot an H-R diagram for the stars in the cluster
B. count the number of M type stars in the cluster
C. measure the Doppler shift of a number of the stars in the cluster
D. search for planets like Jupiter around the stars in the center of the cluster
E. search for x-rays coming from the center of the cluster
Answers: 1
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An astronomy student, for her PhD, really needs to estimate the age of a cluster of stars. Which of...
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