The Earth, Moon And Sun Fun Crossword

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Across
  1. 2. System / the collection of eight planets and their moons in orbit round the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
  2. 3. / The word crescent refers to the phases where the moon is less than half illuminated.
  3. 5. / the force that attracts a body towards the centre of the earth, or towards any other physical body having mass.
  4. 6. / celestial bodies moving in an elliptical orbit round a star.
  5. 10. / An imaginary straight line passing through the North Pole, the center of the Earth, and the South Pole.
  6. 13. / great circle on the celestial sphere representing the sun's apparent path during the year, so called because lunar and solar eclipses can only occur when the moon crosses it.
  7. 15. / a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.
  8. 20. Moon / part way between a half moon and a new moon, or between a new moon and a half moon.
  9. 21. / the partially shaded outer region of the shadow cast by an opaque object.
  10. 23. / of, determined by, or resembling the moon.
  11. 25. / the natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
  12. 26. / all existing matter and space considered as a whole; the cosmos.
  13. 27. / a distinct period or stage in a process of change or forming part of something's development.
  14. 28. / Standard Time
  15. 30. Moon / the phase of the moon in which its whole disc is illuminated.
  16. 32. / each of the four divisions of the year
  17. 34. / the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length (about 22 September and 20 March).
  18. 35. / the warmest season of the year, in the northern hemisphere from June to August and in the southern hemisphere from December to February.
  19. 36. Moon / the phase of the moon when it first appears as a slender crescent, shortly after its conjunction with the sun.
Down
  1. 1. / The word crescent refers to the phases where the moon is less than half illuminated.
  2. 3. / the coldest season of the year, in the northern hemisphere from December to February and in the southern hemisphere from June to August.
  3. 4. / the line at which the earth's surface and the sky appear to meet.
  4. 7. / either of the two times in the year when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days.
  5. 8. / the action of rotating about an axis or center.
  6. 9. / a forcible overthrow of a government or social order, in favor of a new system.
  7. 11. / a group of similar things or people positioned or occurring closely together.
  8. 12. / the great size or extent of something.
  9. 14. / More than half but less than fully illuminated
  10. 15. / an artificial body placed in orbit round the earth or another planet in order to collect information or for communication.
  11. 16. / the season after summer and before winter, in the northern hemisphere from September to November and in the southern hemisphere from March to May.
  12. 17. / the planet on which we live; the world.
  13. 18. / a small rocky body orbiting the sun. Large numbers of these, ranging enormously in size, are found between the orbits of Mars and Jupiter, though some have more eccentric orbits.
  14. 19. / the star round which the earth orbits.
  15. 22. / the proportion of the incident light or radiation that is reflected by a surface, typically that of a planet or moon.
  16. 24. / the alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon and sun.
  17. 29. / an obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination.
  18. 31. / the regularly repeated elliptical course of a celestial object or spacecraft about a star or planet.
  19. 32. / the season after winter and before summer, in which vegetation begins to appear, in the northern hemisphere from March to May and in the southern hemisphere from September to November.
  20. 33. / a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.