Friday

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Across
  1. 3. to travel around
  2. 4. closest planet to the sun
  3. 8. nearly exact; about
  4. 11. planets made of a mix of rocks, dirt, and minerals
  5. 12. to discover the value of something
Down
  1. 1. determining something using mathematics
  2. 2. having to do with space
  3. 3. planets made up mostly of gas
  4. 5. standards by which something is measured
  5. 6. round, three-dimensional figures
  6. 7. width of a circle
  7. 9. furthest planet from the sun
  8. 10. star at the center of our solar system