Author Question: What is true of giant and dwarf elliptical galaxies? A) The giants are mostly blue, the dwarfs ... (Read 45 times)

Evvie72 · **on:** Jul 27, 2018

What is true of giant and dwarf elliptical galaxies?

A) The giants are mostly blue, the dwarfs are mostly red.
B) The giants contain more total mass than the dwarfs.
C) The dwarfs contain more total mass than the giants.
D) They contain more dust than spirals.
E) There are more giants than dwarfs.

Question 2

Copernicus' Heliocentric theory explains that

A) the Sun lies at one focus of an ellipse.
B) all planets lie between the Sun and Earth.
C) Mars will retrograde when it reaches a certain position on its epicycle.
D) Venus retrogrades when she overtakes us at inferior conjunction.
E) planetary orbits are elliptical in shape.