Jazmin's Science Crossword Puzzle

123456
Across
  1. 2. gives off heat planets orbit it and it's the only star in our solar system
  2. 4. System
  3. 6. collection of eight planets and their moons in orbit around the sun
Down
  1. 1. biggest planet in our solar system
  2. 3. A dirty snowball
  3. 5. small rocky body orbiting the sun (not a planet)