Author Question: The ________ of light passing through thin dust clouds lets us map the Galaxy's magnetic field. ... (Read 30 times)

corkyiscool3328 · **on:** Jul 27, 2018

The ________ of light passing through thin dust clouds lets us map the Galaxy's magnetic field.

A) diffraction
B) granulation
C) ionization
D) polarization
E) absorption

Question 2

In the critical density universe now proposed, the ratio of dark energy to matter is about:

A) 1 to 100.
B) 1 to 1.
C) 3 to 1.
D) 10 to 1.
E) 1 to 5.