DayAgenda Today Tuesday, January 11th Cornell Notes Part I: Moon Phases Homework tonight only! Tomorrow Wednesday, January 12th Cornell Notes Part II: Earth Time Study for your Quiz Thursday, January 13thWeekly Quiz 15: Moon Phases and Earth Time Friday, January 14 th Cornell Notes for next week: The Reason for our Seasons!
Every 27.3 days, the moon rotates once on its axis and revolves once around Earth. So, the moon will spin once and take one trip around the Earth in the same number of days. Because of this, the same side of the Moon is always facing the Earth.
The various appearances of the moon due to its changing position. As the moon revolves around the Earth, the amount of sunlight reflected toward Earth by the face of the moon changes!
The sunlit part that can be seen from Earth appears to get larger. The moon gets bigger from right to left!
The sunlit part that can be seen from Earth appears to get smaller. The moon gets smaller from right to left!
L ast quarter, the half of moon that can be seen is on the L eft side