Albert Einstein

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Across
  1. 4. a unit of astronomical distance equivalent to the distance that light travels in one year.
  2. 6. a hypothetical subatomic particle postulated to account for the rarity of processes that break charge-parity symmetry.
  3. 8. nonluminous material that is postulated to exist in space and that could take any of several forms including weakly interacting particles.
Down
  1. 1. the emission of energy as electromagnetic waves or as moving subatomic particles.
  2. 2. a scientist who specializes in the field of physics.
  3. 3. viewing the universe as a complex and orderly system or entity.
  4. 5. the emission of energy as electromagnetic waves or as moving subatomic particles.
  5. 6. one of the most influential scientists in astro physics.
  6. 7. expresses the equivalence of mass and energy.