The monolithic collapse model is contradicted by which recent observation(s)?
A. The sun has metal absorption lines.
B. Not all globular clusters have the same age.
C. Globular clusters with randomly tipped, elliptical orbits.
D. The presence of dark matter in the halo.
Answer:B
The monolithic collapse model is contradicted by which recent observation(s)?
A. The sun has metal absorption lines. B. Not all globular clusters have the same age. C. Globular clusters with randomly tipped, elliptical orbits. D. The presence of dark matter in the halo.