How does the energy of the cosmic microwave background compare to the energy radiated by all the stars and galaxies that ever existed?
A) They are very close to being equal.
B) 73 cosmic background, 27 starlight.
C) About ten times more from the Big Bang than from stars and galaxies.
D) The starlight now dominates the background, as your eyes show clearly.
E) We have no way of comparing matter and energy this way.
Question 2The majority of the mass of the Milky Way lies farther out than the Sun's orbit.
Indicate whether the statement is true or false
Question 3The Russian ________ probes are the only ones to successfully land on Venus.
Fill in the blank(s) with correct word
Question 4Give and explain an example of the use of the Doppler Effect on the highway.
What will be an ideal response?
Question 5In the process of planetary formation, when would the inward migration of Jupiters have been most likely?
A) Shortly after all of the planets had finished forming
B) Just after the system was cleared of the remaining gas
C) Before these planets had grown to full size
D) After these planets had reached full size, but before terrestrial planets had finished forming
E) At least hundreds of millions of years after planetary formation ended
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