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Author Question: Roughly how many stars are within 4 parsecs of the solar system? A) 3 B) 30 C) 3000 D) 300,000 ... (Read 33 times)

chandani

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on: Jul 27, 2018
Roughly how many stars are within 4 parsecs of the solar system?
 
  A) 3
  B) 30
  C) 3000
  D) 300,000
  E) 200 billion

Question 2

A solar mass star will evolve off the main sequence when:
 
  A) it completely runs out of hydrogen.
  B) it expels a planetary nebula to cool off and release radiation.
  C) it explodes as a violent nova.
  D) it builds up a core of inert helium.
  E) it loses all its neutrinos, so fusion must cease.


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gabrielle_lawrence

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

B

Answer to Question 2

D


chandani

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

yeungji

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Reply 3 on: Yesterday
Excellent

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