Astronomy & Cosmos

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Across
  1. 5. A group of stars forming a recognizable pattern named after its form
  2. 6. The distance that light travels in a vacuum in one Julian year
  3. 7. A piece of rock or metal that has fallen to earth from outer space
Down
  1. 1. A room or building housing an astronomical telescope or other equipment
  2. 2. A powerful and luminous stellar explosion of a massive star
  3. 3. A small rocky body orbiting the sun especially between Mars and Jupiter
  4. 4. A planet that orbits a star outside the solar system