Why Do Scientists Think That Dark Matter Does Not Interact

question 23

Multiple Choice

Why do scientists think that dark matter does not interact through the electromagnetic force?

• A) because, if it did, it would absorb or emit photons
• B) because it exists too far out into space
• C) it exerts no gravitational pull on other matter
• D) there is too little of it to exert an electromagnetic force
• E) all of these are correct

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