power point lesson one moon phases and universe. moon phases
TRANSCRIPT
Power Point Lesson One
Moon Phases and Universe
watch
• http://www.theskyscrapers.org/the-moon-its-just-a-phase-its-going-through
3. Name that phase!
First quarter
4. Name that phase!
Third quarter
Length of time for moon to orbit the earth (1 lunar year)
It takes moon about 29 days to orbit earth.
5. How long from new moon to first quarter?
7. So, how long between waxing gibbous and 3rd quarter?
The shape of the moon we see.
8. So, explain to me why we see different phases.
Angle between earth, sun and moon.
• It has nothing to do with shadows!
Watch this
• http://www.youtube.com/watch?v=HEheh1BH34Q
9. What is a star?
Giant disc of super heated gas called plasma
What is a nebula?
Large cloud of dust and gas—light years across
What is the Hertzprung Russell Diagram?