Space Crossword

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Across
  1. 2. causes earth's tides.
  2. 5. a man-made object that is sent into space to collect information or for communication.
  3. 6. name of Saturn's largest moon.
  4. 7. _______ was considered the 9th planet in our solar system but is now considered a dwarf planet.
Down
  1. 1. A ___________ is a cosmic snowball of frozen gases, rock, and dust that develops a glowing tail when it gets too close on its orbit around the Sun.
  2. 2. the 4th planet from the Sun.
  3. 3. last name of the first American astronaut who orbited earth (he was also from Ohio).
  4. 4. When a meteor survives its passage through Earth's atmosphere and impacts the ground, it is called a ________________.