What mechanism is believed to produce flocculent spiral galaxies?
A) satellite galaxies plunging through the disk of the nuclear spiral galaxy
B) self-propagating star formation, where star formation occurs in bursts
C) shock waves from explosive star formation in the nuclear bulge
D) density waves in the interstellar medium
Correct Answer:
Verified
Q17: Spiral galaxies are classified in terms of
Q18: An astronomer studying a distant cluster of
Q19: The Andromeda Galaxy (M31) is BEST described
Q20: What type of galaxy has a nuclear
Q21: Spiral density waves move through a medium
Q23: In which of these ways is the
Q24: A particular galaxy appears round, with a
Q25: What is a probable mechanism for the
Q26: Why do the spiral arms show up
Q27: What mechanism is believed to produce grand-design
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