Earth moon system


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Earth moon system

  1. 1. Presentation By: Bimbo S. MarcelinoBS Customs Administration 2nd year
  2. 2. The earth-moon system is sometimes considered a double planet.
  3. 3.  The moon is the earths nearest neighbor in space.
  4. 4.  An eclipse is an astronomical event that occurs when an astronomical object is temporarily obscured, either by passing into the shadow of another body or by having another body pass between it and the viewer.
  5. 5. What is Lunar MonthIn lunar calendars,a lunar month isthe time betweentwo identicalsyzygies (newmoon or fullmoons).
  6. 6. A Lunar month is the amountof time it takes for the Moon topass through each of its phases(new moon, half, full moon), andthen return back to its originalposition. It takes 29 days, 12hours, 44 minutes and 3 secondsfor the Moon to complete onelunar month.
  7. 7. The new moon is the lunarphase which happens whenthe Moon is full.
  8. 8. Full moon is a lunar phase thatoccurs when the Moon is on theopposite side of the Earth fromthe Sun. More precisely, a fullmoon occurs when thegeocentric apparent (ecliptic)longitudes of the Sun andMoon differ by 180 degrees;the Moon is thenin opposition with the Sun.
  9. 9. In astronomy, lunar orbit(also known as aSelenocentric orbit) refers tothe orbit of an object aroundthe Moon.
  10. 10. Types of Eclipse
  11. 11. A solar eclipse occurs when theMoon passes between Earth and theSun, thereby totally or partiallyobscuring the image of the Sun for aviewer on Earth. A partial solareclipse occurs in the polar regions ofthe Earth when the center of theMoons shadow misses the Earth.
  12. 12. A lunar eclipse occurs when theMoon passes behind the Earth sothat the Earth blocks the Sun’s raysfrom striking the Moon. This canoccur only when the Sun, Earth, andMoon are aligned exactly, or veryclosely so, with the Earth in themiddle.
  13. 13. The End
  14. 14. 1. What is the nearest heavenly body on Earth? A. Sun B. Atmosphere C. Moon D. Galaxy
  15. 15. A. VOEventB. EclipseC. EarthquakeD. Solar Storm
  16. 16. A. Lunar EclipseB. Solar EclipseC. Annular Eclipse
  17. 17. 5. A type of Eclipse occurs when the Moonpasses behind the Earth so that the Earthblocks the Suns rays from striking theMoon.B. Total EclipseC. Lunar EclipseD. Partial Eclipse
  18. 18. A. Half MoonB. New MoonC. CrescentD. Dark Moon
  19. 19. 7. It is a lunar phase that occurs whenthe Moon is on the opposite side ofthe Earth from the Sun.B. New MoonC. Crescent
  20. 20. A. Lunar MonthB. Lunar OrbitC. Rotation
  21. 21. A. Lunar OrbitB. Lunar EclipseC. Lunar Month
  22. 22. Thank You!!!