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Unveiling the Mysteries of Dark Matter and Dark Energy

Explore the enigmatic properties of dark matter and dark energy in the universe. Learn how their gravitational effects and unknown compositions challenge traditional theories. Discover evidence supporting their existence through gravitational lensing and observations of cosmic expansion.

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Unveiling the Mysteries of Dark Matter and Dark Energy

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  1. Physics: Concepts and Connections, 4th ed., Art HobsonChapter 11 – General Relativity

  2. What is special about dark matter? A) Its gravitational force pushes (or repels) instead of pulling B) It can move faster than c. C) It is made of a material that has never been observed in our laboratories. D) It exerts no gravitational force

  3. How do we know that dark energy exists? A) From gravitational lensing that bends light from distant luminous objects B) Light from distant galaxies is absorbed by something dark in the interstellar medium C) We have evidence that the universe is expanding at an accelerated rate

  4. ? A) B) C) D) E)

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