morven

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Across
  1. 2. three-dimensional continuum containing positions
  2. 4. tospace, usually to low Earth orbit
  3. 6. path that one object in space takes around another onesolar
  4. 7. one of two ice giants in the outer solar system
  5. 9. tridimensional system, in that it defines units of length, mass and time.
  6. 11. cosmic snowballs of frozen gases, rock, and dust that orbit the Sun
  7. 12. fourth planet from the Sunearth
  8. 15. second planet from the Sun, mercury
Down
  1. 1. the telescope for observing the night sky
  2. 3. an object that orbits the sundwarf
  3. 5. way a huge collection of stars, dust and gasneptune
  4. 8. small, rocky objects that orbit the Sun.moon
  5. 9. hot stars
  6. 10. a streak of light in the skystars
  7. 13. used to carry a spacecraft from Earth's
  8. 14. 6th planet from the Sun jupiter