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Author Question: What is an extrasolar planet? A) a planet that is extra large compared to what we'd expect B) a ... (Read 94 times)

jeatrice

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on: Jul 27, 2018
What is an extrasolar planet?
 
  A) a planet that is extra large compared to what we'd expect
  B) a planet that is considered an extra, in that it was not needed for the formation of its solar system
  C) a planet that orbits a star that is not our own Sun
  D) a planet that is larger than the Sun

Question 2

Which of the following hypothetical observations, if true, would disprove a prediction of the Big Bang theory?
 
  A) the discovery that the temperature of the universe is only 2.73 K
  B) the discovery of a galaxy moving toward us
  C) the discovery of two galaxies at the same distance, moving away with slightly different speeds
  D) the discovery of a galaxy with 30 helium abundance
  E) the discovery of a galaxy with 10 helium abundance


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stillxalice

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

C

Answer to Question 2

E


jeatrice

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Reply 2 on: Jul 27, 2018
Excellent

debra928

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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