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Barycenter - PowerPoint PPT Presentation


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Barycenter. Highlands. Rough terrain lighter many craters. 3.9 to 4.4 by Anorthosite Breccia. Maria (Seas). Flat terrain Darker Not a lot of craters Roughly circular Basalt rock 3.1 to 3.8 BY. Maria Highlands. Craters. Craters Meteor impacts Methods to determine age

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Presentation Transcript
highlands
Highlands.
  • Rough terrain
    • lighter
  • many craters.
  • 3.9 to 4.4 by
  • Anorthosite
  • Breccia
maria seas
Maria (Seas)
  • Flat terrain

Darker

Not a lot of craters

Roughly circular

  • Basalt rock
    • 3.1 to 3.8 BY
slide6
Maria
  • Highlands
slide8
Craters
    • Meteor impacts
    • Methods to determine age
      • Superposition
      • Amount of weathering
slide9
Regolith
    • Lunar soil
    • Physically Weathered rock
model for the formation of the moon
Model for the Formation of the Moon
  • Fission Model
    • Earth had a baby
model for the formation of the moon1
Model for the Formation of the Moon
  • Capture Model
    • Asteroid was passing by the Earth and got caught in its gravitational pull.
    • Is the accepted model for the formation of small moons
model for the formation of the moon2
Model for the Formation of the Moon
  • Co-Accretion
    • Condensation Model and Colliding Planetesimals Model
    • Earth had a sister
    • Large moons on large planets are believed to have formed this way
      • Planet and moon formed

at the same time, same way

model for the formation of the moon3
Model for the Formation of the Moon
  • Collision-Ejection or Ejected Ring Model
    • Impact from a large object tore off a large piece of the Earth which was ejected into orbit around the Earth. This material reformed into the moon.
what properties were known about the moon since apollo
What properties were known about the moon since Apollo?
  • 4.5 BY
  • Highlands are made of Anorthosite
  • Maria are made of Basalt
  • Rock has very little volatile material
    • No Water
    • The ice found recently at the lunar north pole is from comets.