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. Dark matter consists 90% of neutrinos and 10% of WIMPs.
C. There is no longer any doubt that dark matter is made mostly of WIMPs.
D. Dark matter probably does not really exist, and rather indicates a fundamental problem in our understanding of gravity.
Answer:A
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. Dark matter consists 90% of neutrinos and 10% of WIMPs. C. There is no longer any doubt that dark matter is made mostly of WIMPs. D. Dark matter probably does not really exist, and rather indicates a fundamental problem in our understanding of gravity.