space science

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Across
  1. 3. man made famous telescope
  2. 4. newtons first law of motion
  3. 6. something that orbits a planet
  4. 10. man made station in space
  5. 13. dwarf planet
  6. 14. what makes up constellations
  7. 15. doughnut shaped ring in space made up of stars
  8. 16. first planet closest to our
  9. 17. a force dependent of the mass and distance objects are
  10. 19. matter
  11. 22. an objects resistance to a change in motion
  12. 23. shiny dust that we can see in space
  13. 25. a measurement of time based on the speed of light
  14. 27. milky way is an example of this
  15. 28. first element of the periodic table
Down
  1. 1. a triple star system in the southern constellation of Centaurus
  2. 2. the amount of time it takes for the moon to orbit the earth
  3. 5. the first of 2 space projects
  4. 7. body of mass that obits a central point or star
  5. 8. gravitational pull results in this
  6. 9. a collection of stars that make a picture
  7. 11. a star in the northern circumpolar constellation of Ursa Minor
  8. 12. the galaxy that we live in
  9. 18. when a star collapses in on itself
  10. 20. what started our universe
  11. 21. tool we use to observe space
  12. 24. the planet the we live on as a species
  13. 26. a galaxy that we dont live in