Vocab Words

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Across
  1. 1. is a geographic coordinate that specifies the east–west position of a point on the Earth's surface
  2. 5. portion of the Earth is engulfed in a shadow cast by the Moon which fully or partially blocks sunlight.
  3. 9. average tidal ranges are slightly larger. This occurs twice each month
  4. 10. tide that occurs three or four times per year when a perigee coincides with a spring tide
  5. 13. is a geographic coordinate that specifies the north–south position of a point on the Earth's surface
  6. 14. star at the center of the Solar System.
  7. 16. description of the Universe with Earth at the center.
  8. 17. force that pulls
  9. 18. the point in the orbit of a planet, asteroid, or comet
  10. 19. Earth's only proper natural satellite.
  11. 20. Earth and planets revolve around the Sun at the center of the Universe.
  12. 21. the alternate rising and falling of the sea
  13. 23. waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy.
  14. 26. a celestial body moving in an elliptical orbit around a star
  15. 27. transfer of heat
  16. 28. decides how much we weigh and how far a basketball will travel when thrown before it returns to the surface.
  17. 29. large planetary embryo
  18. 30. the shadow cast by the earth or moon over an area experiencing a partial eclipse.
  19. 31. one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system
  20. 33. the passing into the shadow of a celestial body
  21. 35. minor planet of the inner Solar System
  22. 36. the dark central part of a sunspot.
  23. 37. gravitationally bound system of the Sun and the objects that orbit it,
  24. 38. celestial body of going round in an orbit or elliptical course
  25. 39. instant of time when the plane of Earth's equator passes through the geometric center of the Sun's disk
  26. 40. icy,small Solar System body
  27. 41. optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects
Down
  1. 2. squashed circle with two focus points or foci
  2. 3. Kepler's three laws
  3. 4. a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.
  4. 6. illuminated area is increasing.
  5. 7. the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun.
  6. 8. imaginary planetary line
  7. 11. any of certain groupings of stars that were imagined
  8. 12. east–west coordinate
  9. 15. have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size.
  10. 22. distance from the center of the earth to the center of the sun.
  11. 24. the action of rotating around an axis or center.
  12. 25. a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
  13. 31. planetary-mass object that does not dominate its region of space
  14. 32. small rocky or metallic body in outer space.
  15. 34. single-stranded sequence of DNA or RNA
  16. 37. each of the four divisions of the year