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Author Question: The first spacecraft to drop a weather probe into Jupiter's atmosphere was: A) Cassini. B) ... (Read 59 times)

sabina

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on: Jul 27, 2018
The first spacecraft to drop a weather probe into Jupiter's atmosphere was:
 
  A) Cassini.
  B) Global Surveyor.
  C) Voyager 2.
  D) Viking 1.
  E) Galileo.

Question 2

You discover a binary star system in which one member is a 15MSun main-sequence star and the other star is a 10MSun giant. Why should you be surprised, at least at first?
 
  A) It doesn't make sense to find a giant in a binary star system.
  B) The odds of ever finding two such massive stars in the same binary system are so small as to make it inconceivable that such a system could be discovered.
  C) The two stars in a binary system should both be at the same point in stellar evolution; that is, they should either both be main-sequence stars or both be giants.
  D) The two stars should be the same age, so the more massive one should have become a giant first.
  E) A star with a mass of 15MSun is too big to be a main-sequence star.


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shaquita

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

E

Answer to Question 2

D


sabina

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Reply 2 on: Jul 27, 2018
Gracias!

pangili4

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Reply 3 on: Yesterday
Excellent

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