Author Question: If we represent the Milky Way Galaxy as the size of a grapefruit, the distance to the Andromeda ... (Read 92 times)

Medesa · **on:** Jul 27, 2018

If we represent the Milky Way Galaxy as the size of a grapefruit, the distance to the Andromeda Galaxy would be about

A) 3 cm. B) 3 km. C) 30 m. D) 3 m. E) 300 km.

Question 2

From studies of the rotations of galaxies and dynamics of clusters, we now think that about ________ of the mass of the universe is composed of dark matter.

Fill in the blank(s) with correct word