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Author Question: The critical density of the universe is the A) average density the universe would need for ... (Read 109 times)

imanialler

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on: Jul 27, 2018
The critical density of the universe is the
 
  A) average density the universe would need for gravity to someday halt the current expansion if dark energy did not exist.
  B) actual average density of the universe.
  C) density of dark matter in the universe.
  D) density of water.

Question 2

When we speak of the large-scale structure of the universe, we mean
 
  A) the structure of any large galaxy.
  B) the structure of any individual cluster of galaxies.
  C) the overall shape of the observable universe.
  D) the overall arrangement of galaxies, chains of galaxies, and galactic sheets in the universe.


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cswans24

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

A

Answer to Question 2

D


imanialler

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Reply 2 on: Jul 27, 2018
Wow, this really help

sarah_brady415

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Reply 3 on: Yesterday
Gracias!

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