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Author Question: Quasar's spectral lines are A) emission lines with large red shifts. B) a continuum from the ... (Read 183 times)

JMatthes

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on: Jul 27, 2018
Quasar's spectral lines are
 
  A) emission lines with large red shifts.
  B) a continuum from the synchrotron radiation.
  C) fuzzy absorption lines from the merged light of the billions of stars.
  D) too complex for any interpretation.
  E) nonexistent, the gas so hot as to be totally ionized, so no lines are seen.

Question 2

In the formula E = mc2, what does E represent?
 
  A) the kinetic energy of a moving object
  B) the radiative energy carried by light
  C) the gravitational potential energy of an object held above the ground
  D) the mass-energy, or potential energy stored in an object's mass
  E) the electric charge of the object


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Melissahxx

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


JMatthes

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Reply 2 on: Jul 27, 2018
Gracias!

samiel-sayed

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Reply 3 on: Yesterday
Excellent

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