Comet Crossword

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Across
  1. 3. Space instruments orbiting planets and collecting data for science.
  2. 6. Rocks or sand that are found on the Moon.
  3. 7. Someone who explores space.
  4. 8. Name of our story's astronaut's elementary school.
  5. 10. Rocks in our Solar System orbiting the Sun.
Down
  1. 1. The deepest, longest valley in the Solar System.
  2. 2. Largest meteor impact crater on the planet.
  3. 4. The science of studying light reflected by bodies in space to understand their conditions.
  4. 5. Hot balls of gas.
  5. 9. The image of Mercury in the Groovy Glossary was share by this NASA spacecraft.