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Author Question: From a distance of 1 AU, the gravity of a three-solar-mass star is ________ the gravity of a ... (Read 131 times)

karateprodigy

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on: Jul 27, 2018
From a distance of 1 AU, the gravity of a three-solar-mass star is ________ the gravity of a lower-limit stellar black hole.
 
  Fill in the blank(s) with correct word

Question 2

Which of the following gives the two main assumptions of theoretical models of galaxy evolution?
 
  A) Hydrogen and helium filled all of space, and the entire universe had exactly the same density everywhere.
  B) The universe has always been expanding, and denser areas contracted to form the first stars.
  C) Hydrogen and helium filled all of space, and certain regions of the universe were slightly denser than others.
  D) The beginning of the universe is modeled after a supernova explosion, and all elements were produced by this exploding star.
  E) The universe was composed originally only of hydrogen, and all the other elements came from stars.


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bdobbins

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

the same as

Answer to Question 2

C


karateprodigy

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Reply 2 on: Jul 27, 2018
:D TYSM

rleezy04

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

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