The moon does not make its own light. We see it
because it reflects light from the sun.
The terminator is the moving bound...
Daytime
on the
moon
          Night on
          the
          moon



          Terminator
Phases of the moon are caused by the
angle between the earth, moon, and sun.
Lunar Phase
                        animation




                       Another animation
Notice that the
terminator is m...
Waxing means getting bigger every night.

Waning means getting smaller every night.




Crescent means less than half the ...
Review this diagram and name the
phases on the following slides!
Waning crescent
Waxing gibbous
Waxing crescent
Last quarter
Waning crescent
Waning gibbous
First quarter
Two kinds:

Lunar eclipses
Solar eclipses   Video clip on
                   eclipses
Eclipse animation
Time lapse photography of a lunar eclipse
Animation of solar eclipse
Diamond ring
effect just
before or
after a total
solar eclipse.
This animation shows the relative sizes of the
partial and total eclipse areas. The small,
black dot is the umbra. You can...
This is a space shuttle photograph of an area of
the Earth having a total solar eclipse.
Link to NASA eclipse page
Be sure to scroll down for
a list of upcoming eclipses.
Phases And  Eclipses
Phases And  Eclipses
Phases And  Eclipses
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Phases And Eclipses

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Phases And Eclipses

  1. 1. The moon does not make its own light. We see it because it reflects light from the sun. The terminator is the moving boundary between day and night. Notice that it moves right to left.
  2. 2. Daytime on the moon Night on the moon Terminator
  3. 3. Phases of the moon are caused by the angle between the earth, moon, and sun.
  4. 4. Lunar Phase animation Another animation Notice that the terminator is moving right to left. Video clip on phases
  5. 5. Waxing means getting bigger every night. Waning means getting smaller every night. Crescent means less than half the surface of the moon facing you is lit by the sun. Gibbous means more than half of the surface of the moon facing you is lit by the sun.
  6. 6. Review this diagram and name the phases on the following slides!
  7. 7. Waning crescent
  8. 8. Waxing gibbous
  9. 9. Waxing crescent
  10. 10. Last quarter
  11. 11. Waning crescent
  12. 12. Waning gibbous
  13. 13. First quarter
  14. 14. Two kinds: Lunar eclipses Solar eclipses Video clip on eclipses
  15. 15. Eclipse animation
  16. 16. Time lapse photography of a lunar eclipse
  17. 17. Animation of solar eclipse
  18. 18. Diamond ring effect just before or after a total solar eclipse.
  19. 19. This animation shows the relative sizes of the partial and total eclipse areas. The small, black dot is the umbra. You can see why not many people ever see a total eclipse.
  20. 20. This is a space shuttle photograph of an area of the Earth having a total solar eclipse.
  21. 21. Link to NASA eclipse page Be sure to scroll down for a list of upcoming eclipses.
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