Which of the following statements about globular clusters is true?
A) Most stars in the cluster are yellow or reddish in color.
B) There is an approximately equal number of all types of stars in the cluster.
C) All stars in the cluster are approximately at the same stage in their evolution.
D) All stars in the cluster have approximately the same mass.
E) Most of the stars in the cluster are younger than 10 billion years.
Question 2
Our Earth is about four times larger than the Moon in diameter.
Indicate whether the statement is true or false
The Pleiades, an open cluster of stars in the constellation of Taurus.
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Motion of Stars at the Poles
Pre–Main-Sequence Stars
An H-R Diagram of a Globular Cluster
Structures of iron–sulfur clusters