Which of the Following Best Sums Up Current Scientific Thinking

question 73

Multiple Choice

Which of the following best sums up current scientific thinking about the nature of dark matter?

• A)Most dark matter probably consists of weakly interacting particles of a type that we have not yet identified.
• B)There is no longer any doubt that dark matter is made mostly of WIMPs.
• C)Dark matter probably does not really exist, and rather indicates a fundamental problem in our understanding of gravity.
• D)About 90% of dark matter consists of ordinary matter in the halo of the galaxy, and of the other 10% of WIMPs.

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