Author Question: Why do we call dark matter dark? A) It blocks out the light of stars in a galaxy. B) It emits no ... (Read 31 times)

Themember4 · **on:** Jul 27, 2018

Why do we call dark matter dark?

A) It blocks out the light of stars in a galaxy.
B) It emits no radiation that we have been able to detect.
C) It contains large amounts of dark-colored dust.
D) It is dark brown or dark red in color.

Question 2

Suppose you use the Southern Cross to determine that the south celestial pole appears 40 degrees above your horizon. Then you must be located at ________.

A) latitude 40 degrees north B) longitude 40 degrees
C) latitude 50 degrees south D) latitude 40 degrees south