Moon Notes

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Moon Notes
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Satellites

• Natural or artificial bodies that revolve around
  larger bodies.
• The natural ones are commonly called moons.

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Mercury and Venus

• Are the only planets that do not have moons

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Earths Moon

• Also called Luna
• 1. age 4.6 Billion Years
• 2. atmosphere none
• 3. size about 1/6 the size of Earth
• 4. rotates on axis once every 27 days
• 5. revolves around Earth once every
  27 days.

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Moon Phases

• A. Caused by the changing positions of the Earth,
  moon, and Sun.

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Moon Phases

• 1. Waxing the bright part of the moon is
  increasing in size.
• 2. Waning the bright part of the moon is
  decreasing in size.

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Moon Phases

• 3. Crescent moon the bright part of the moon
  appears less than a quarter.
• 4. Quarter moon the bright part of the moon is
  half visible
• 5. New moon the side of the moon facing the
  Earth is completely covered with a shadow of the
  Earth.

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Moon Phases

• 6. Full moon The side of the moon facing the
  Earth is completely lit by the Sun.
• 7. Gibbous moon The bright part of the moon
  appears to be more than a quarter.

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Phases of the Moon
1st QTR
Waxing Gibbous
Waxing Crescent
Dusk
New Moon
Earth
Noon
Midnight
Full Moon
Dawn
Waning Gibbous
Waning Crescent
3rd QTR
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B. The Sun always

• Lights half the moon just like it always lights
  half of the Earth

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Eclipse

• The shadow of one celestial body falling on
  another.

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Lunar Eclipse

• When the Earth moves between the moon and the Sun.

13
Solar Eclipse

• When the moon moves between the Earth and the Sun.