Can you explain the concept of dark matter and describe the methods used by astronomers to detect it?
Answer 1
Dennis Cook
Dark matter is a form of matter that does not emit, absorb, or reflect light, making it invisible and detectable only through its gravitational effects. Astronomers detect dark matter indirectly by observing the rotation curves of galaxies, gravitational lensing, and the cosmic microwave background. These methods reveal the presence of unseen mass influencing visible matter and light.
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