Space Vocabulary

Question or Hint Answer or Word
  1. any of the four closest planets to the sun inner planets
  2. any of the four planets in our solar system beyond the sun outer planets
  3. a spacecraft that gathers data without a crew space probe
  4. a natural object that revolves around a planet moon
  5. a rocky mass that revolves around the sun asteroid
  6. a large, round object that revolves around the sun, but has not cleared the region around its orbit dwarf planet
  7. an imaginary line around which an orbit spins axis

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