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Author Question: A quasar's spectrum is hugely redshifted. What do most astronomers think this large redshift tells ... (Read 18 times)

bobypop

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on: Jul 27, 2018
A quasar's spectrum is hugely redshifted. What do most astronomers think this large redshift tells us about the quasar?
 
  A) the composition of the quasar
  B) the distance to the quasar
  C) the size of the quasar's central, supermassive black hole
  D) the type of host galaxy in which the quasar resides

Question 2

Galileo Galilei
 
  A) developed a theory of gravity to explain the motions of the planets
  B) obtained the first observational evidence suggesting the Earth moved about the Sun
  C) showed that the orbits of the planets were ellipses and not circles
  D) made detailed measurements of the motions of the planets in the sky


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elyse44

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

B

Answer to Question 2

B


bobypop

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Reply 2 on: Jul 27, 2018
Gracias!

peter

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Reply 3 on: Yesterday
Excellent

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