Author Question: How does the interstellar medium obscure our view of most of the galaxy? A) The small mixture of ... (Read 78 times)

KimWrice · **on:** Jul 27, 2018

How does the interstellar medium obscure our view of most of the galaxy?

A) The small mixture of dust grains in the interstellar medium absorbs visible light.
B) Dust reflects most light from distant regions of the galaxy back towards the source.
C) Hydrogen gas produces so much visible light that the interstellar medium is opaque, blocking our view of anything beyond it.
D) Molecules in the interstellar medium absorb all wavelengths of light.
E) all of the above

Question 2

The Moon keeps one side facing the Earth because it doesn't rotate on its axis.

Indicate whether the statement is true or false