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Travis Metcalfe, an astronomer at the Harvard-Smithsonian Center for Astrophysics, has presented a fascinating theory: he believes the largest diamond known is located where?

  1. In Earth’s core
  2. On the moon’s dark side
  3. At the bottom of the Mariana Trench
  4. In a near star’s core

Answer

The correct answer is D) In a near star’s core.

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