Multiple Choice
Cepheids and globular clusters are limited in their ability to measure the distance to galaxies because they ____.
A) are too rare
B) are not bright enough to detect at large distances
C) behave differently in other galaxies than they do in our own
D) do not appear in dwarf galaxies
E) are only found in elliptical galaxies
Correct Answer:
Verified
Correct Answer:
Verified
Q20: Because the Hubble constant equals 70 km/s/Mpc,
Q21: A galaxy that has gone through many
Q22: Globular clusters can be used to estimate
Q23: Is dark matter important in other galaxies
Q24: A galaxy with randomly oriented elongated star
Q26: In order to calculate the size and
Q27: Globular clusters can be used to measure
Q28: Discuss two ways of detecting dark matter
Q29: Giant spirals are the largest galaxies in
Q30: Because the Hubble constant has a value