The ________ of light passing through thin dust clouds lets us ...

[corkyiscool3328]

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.

[SamMuagrove]

Answer to Question 1

D

Answer to Question 2

C

[corkyiscool3328]

Gracias!

[raenoj]

TYSM