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    Physics & Astronomy
  3. Study Set
    Discovering the Universe
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    Exam 3: Light and Telescopes
  5. Question
    Cosmic Rays Are
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Cosmic Rays Are

Question 19

Question 19

Multiple Choice

Cosmic rays are


A) electromagnetic waves that originate from space.
B) X-rays originating from the Sun.
C) neutrinos.
D) high-energy particles traveling at nearly the speed of light.

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