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Author Question: According to the main sequence turn-off points of the oldest globular clusters, they are about: ... (Read 27 times)

AEWBW

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on: Jul 27, 2018
According to the main sequence turn-off points of the oldest globular clusters, they are about:
 
  A) 4.5 billion years old.
  B) 6.8 billion years old.
  C) 10 billion years old.
  D) 12 billion years old.
  E) 16 billion years old.

Question 2

The terra of Venus are rare, but large continent size uplifted regions over a low surface.
 
  Indicate whether the statement is true or false


jaaaaaaa

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

D

Answer to Question 2

TRUE


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