Author Question: The Ptolemaic model of the universe: A) explained and predicted the motions of the planets with ... (Read 83 times)

segrsyd · **on:** Jul 27, 2018

The Ptolemaic model of the universe:

A) explained and predicted the motions of the planets with deferents and epicycles.
B) is the basis of our modern cosmology.
C) could not account for the stellar parallax observed by Hipparchus.
D) describes the orbits of the planets as being ellipses, not circles.
E) always kept Mars and Mercury between the Earth and Sun.

Question 2

The energy radiated from a typical quasar requires that its black hole accrete about:

A) 1 solar mass per 100 years.
B) 1 solar mass per 10,000 years.
C) 1 Jupiter mass per year.
D) 10 solar masses per year.
E) 1,000 solar masses per year.