Sun-Earth-Moon System

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Across
  1. 2. A phenomenon or process that involves multiple steps and repeats itself
  2. 6. is the opposite, or DECREASING in light after a full moon. Always illuminated on the left.
  3. 9. A regular, repeating path that one object in space takes around another one. An object in an orbit is called a satellite.
  4. 10. A moon shape that is more than a half-moon but less than full.
  5. 11. To spin/turn in place
  6. 13. The full moon passes into Earth’s shadow, causing the Moon to appear reddish in color when the Sun, Earth, and Moon directly line up → S.E.M.
Down
  1. 1. When the Moon passes between Earth and the Sun, covering all or part of the Sun; occurs when the Sun, Earth, and the Moon directly line up; lasts for less than 12
  2. 3. A moon shape that is less than a half-moon; it is shaped like a “C” or backwards “C”.
  3. 4. The four natural divisions of the year based on changes in temperature. It is due to the varied amounts of sunlight (both intensity and number of daylight hours received) caused by the tilt of Earth during revolution
  4. 5. An obscuring (blocking) of the light from a celestial body by the passage of an object between the celestial body and the observer or between the celestial body and its source of illumination
  5. 6. is "illuminating," or growing with light until a full moon is reached “Light GROWS on the Right” in the Northern Hemisphere
  6. 7. The shape of the illuminated portion of the Moon as seen by an observer, usually on Earth
  7. 8. the slant of Earth’s axis, which is 23.5 degrees from vertical compared to Earth’s orbital plane around the Sun; results in the North Pole always pointing toward the North Star
  8. 12. The imaginary line through Earth that extends from the North Pole to the South Pole and is the center of Earth's rotation.