STAR CHARM PUZZLE

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Across
  1. 3. DWARF PLANET
  2. 5. system HAS 8 PLANETS
  3. 6. USED TO HAVE WATER
  4. 7. HOTTEST PLANET
Down
  1. 1. HAS OVER OF 200 BILLION STARS
  2. 2. HAS RING AROUND IT
  3. 4. HAS MOST MOONS
  4. 5. MADE OF PLASMA