ASTR 170B2 Lecture Notes - Lecture 4: Clipse, Earth Radius, Right Ascension

• School: University of Arizona
• Department: Astronomy
• Course: ASTR 170B2
• Professor: Dr. Tommi Koskinen

Document Summary

Astr ptys 170 b2 - lecture 4 - apparent motion of celestial bodies cont. The moon orbits around the earth in 27. 3 days. The time in between full moons is 29. days. Our perspective of the moon"s sunlit side changes the moon"s he cause of phases of the moon. The fact that we can always see the same face of the moon tells us that the moon"s rotational period is the same as its orbital period. The third quarter moon sets approx. at noon. The first quarter moon rises approx. at noon. Try to keep in mind the proper size perspective (about 30 earths fit in between the. A solar eclipse is when the moon is in between the earth and the sun. The next total solar eclipse will be in 2019 jul 02. The next american eclipse will be in 2024 apr 08. A lunar eclipse is when the earth is in between the sun and the moon.