Which of the following was used by some astronomers in the early 1900s to argue that spiral nebulae were nearby objects?
A) Their large parallaxes
B) Measurements taken several years apart that showed rotation
C) Their small Doppler shifts
D) An absence of globular clusters in spiral nebulae
Correct Answer:
Verified
Q23: If a dwarf elliptical galaxy has an
Q24: A galaxy at a distance of 10
Q25: What did early spectroscopic measurements show about
Q26: Black hole masses at the centers of
Q27: Which of the following would be least
Q29: Which of the following is the best
Q30: Hubble's relationship between the distance to a
Q31: According to current ideas on the evolution
Q32: A galaxy at a distance of 100
Q33: The black hole mass at the center
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents