Space

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Across
  1. 5. When a solid object crashes into something
  2. 6. large telescope orbiting earth
  3. 7. first wheeled robot to rove mars
  4. 8. the place where the Sun’s constant flow of material and magnetic field stop affecting its surroundings.
Down
  1. 1. the interstellar mission
  2. 2. one of the twin mars rovers
  3. 3. “That’s one small step for a man”
  4. 4. biggest explosion humans have seen