Multiple Choice
Evidence for invisible matter between galaxies in clusters (intracluster matter) is provided by
A) The rotation curves of clusters that are flatter than Keplerian
B) Absorption lines in the spectra of cluster members
C) Star formation regions between galaxies in clusters
D) X-ray emission from a halo of gas centered on the cluster
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Which of the following statements best describes
Q2: The largest,brightest galaxies in the Local Group
Q3: Which of the following statements about galaxies
Q4: High density regions in galactic clusters tend
Q6: Low density regions between clusters tend to
Q7: Evidence for dark matter surrounding massive galactic
Q8: Which of the following statements about the
Q9: The Coma cluster is<br>A)Poor and regular<br>B)Rich and
Q10: The Local Group is<br>A)A group of about
Q11: A rich cluster of galaxies contains about