AST101H1 Lecture Notes - Lecture 5: Ecliptic, Northern Hemisphere, The Moons

• School: UTSG
• Department: Astronomy & Astrophysics
• Course: AST101H1
• Professor: Michael Reid

Document Summary

Ast101 lecture 5 the phases of the moon. Earth is tipped toward the sun resulting in the summer solstice (northern. Hemisphere) and when it is tipped away from the sun resulting in the winter. Solstice (northern hemisphere) *please refer to lecture 4 note, specifically about. The earth orbits the sun counter-clockwise as seen from above the earth"s north. The moon orbits the earth counter-clockwise as seen from above the earth"s north. Note: the moon"s orbit is not in the ecliptic plane meaning it"s orbit has a tilt. When do the phases occur (in order): new moon: when the sun"s rays or daylight prevents us from seeing the. Important note: the phases of the moon are visible to everyone, no matter their location on earth. However, it is the daylight in some parts of the world that prevent people from seeing the moon, while simultaneously, somewhere in the world, people can clearly see the moon"s phase because it is night-time!