When the Universe was young, it was...
A) bigger and colder.
B) smaller and hotter.
C) bigger and more dense.
D) bigger and hotter.
E) smaller and less dense.

Name: When the Universe was young, it was... A) bigger and colder. B) smaller and hotter. C) bigger and more dense. D) bigger and hotter. E) smaller and less dense.
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Question

Quizplus · Accepted Answer

When the Universe was young, it was smaller and hotter. This is because the Universe started out as a very hot, dense point and has been expanding and cooling ever since.

When the Universe Was Young, It Was