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Choose the best answer to each of the
Chapter , Problem 2QQ(choose chapter or problem)
Problem 2QQ
Choose the best answer to each of the following. Explain your reasoning with one or more complete sentence
Dark matter is inferred to exist because (a) we see lots of dark patches in the sky. (b) it explains how the expansion of the universe can be accelerating. (c) we can observe its gravitational influence on visible matter.
Questions & Answers
QUESTION:
Problem 2QQ
Choose the best answer to each of the following. Explain your reasoning with one or more complete sentence
Dark matter is inferred to exist because (a) we see lots of dark patches in the sky. (b) it explains how the expansion of the universe can be accelerating. (c) we can observe its gravitational influence on visible matter.
ANSWER:
Step 1 of 2
Dark matter is simply defined as the matter that does not emit any visible light and hence not visible to us.