Universe

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Across
  1. 2. something that happens rarely or never
  2. 5. a vast collection of stars
  3. 6. When the Moon or a planet appears especially close either to another planet or to a bright star.
  4. 10. increase in meteor activity
  5. 11. something so dense not even light can escape its gravitational pull
  6. 12. a faintly glowing band that is composed of billions of stars
Down
  1. 1. A brief streak of light caused by a small piece of solid matter
  2. 3. An event that occurs when the shadow of a planet or moon falls upon a second body.
  3. 4. “dirty snowball” of ice and rocky debris
  4. 7. Latin for “cloud.”
  5. 8. A distinctive pattern of stars used informally to organize a part of the sky.
  6. 9. Two stars that lie very close to, and are often orbiting, each other.