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Author Question: The vast majority of stars in a newly formed star cluster are ________. A) red giants B) very ... (Read 68 times)

lracut11

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on: Jul 27, 2018
The vast majority of stars in a newly formed star cluster are ________.
 
  A) red giants B) very high-mass, type O and B stars
  C) less massive than the Sun D) about the same mass as our Sun

Question 2

What was the significance of the end of the era of nucleosynthesis, when the universe was about 5 minutes old?
 
  A) It marks the time at which the expansion of the universe had settled down to its current rate.
  B) The basic chemical composition of the universe had been determined.
  C) It marks the time at which the first stars formed.
  D) The proportions of dark matter and luminous matter had been determined.


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pikon

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

C

Answer to Question 2

B


lracut11

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Reply 2 on: Jul 27, 2018
Gracias!

EAN94

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Reply 3 on: Yesterday
Excellent

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