Which is characteristic of globular star clusters?
A) a mix of old and young stars, about 100,000 ly across
B) old age and hundreds of thousands of stars, only about 30 ly wide
C) bright blue main sequence stars, and thousands of them
D) only brown dwarfs in a yellow ball 100 ly across
E) no remaining main sequence stars, but millions of white dwarfs
Question 2
Living cells have already been recreated in our laboratories.
Indicate whether the statement is true or false