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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
If the density of the universe is at the critical density, this means that:
A) the universe is expanding at a rate greater than the speed of light.
B) the universe is expanding at a rate equal to the escape speed of the universe.
C) the universe is expanding at a rate less than the escape speed of the universe.
D) the universe is expanding at a rate greater than the escape speed of the universe.
E) the universe is expanding at a rate equal to the speed of light.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 251 times
3 Replies
Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
wrote...
#3
8 years ago
Message back if you need anything
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