QUESTION 7 Where are we unlikely to find Earth-like planets?

QUESTION 7

1. Where are we unlikely to find Earth-like planets?

a.Around stars in a globular cluster.

b.Anywhere outside our Solar System.

c.Around stars in our galactic disk.

d.Around stars in an open cluster.

1. Which of the following statements about how halo stars compare to our Sun is not true?

a. Most stars in the halo are younger that our Sun.

b.Most stars in the halo contain a much lower percentage of heavy elements than our Sun.

c.Most stars in the halo are less luminous than our Sun.

d.Most stars in the halo have cooler surface temperatures than our Sun

1. What kinds of objects would we tend to find in the halo of our galaxy?

a.Open clusters.

b.K stars.

c.O stars.

d.All of the above.