Celestia Activity 9 Primitive earth and moon

The Birth of New WorldsThe Birth of New Worlds

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GravitGravityy

Attractive Attractive forceforce

MatteMatterr

NewtonNewton

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Earth Mark Earth Mark 22

MoonMoon

Gravitational Gravitational AccretionAccretion

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MoonMoonImpact Impact craterscraters

MareMare

SilencSilencee

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EarthEarthsemisemi moltenmoltenRingRingLess but Less but biggerbigger

MooMoonnSemi Semi spheresphere

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Moon and Moon and EarthEarth

BombardBombardeded

BiggeBiggerr

RelationshipRelationship

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RinRinggCool and Cool and

cleanclean

Bigger, Bigger, cooler, cooler, more more sphericalspherical

Full Full sizesize

Heavy Heavy elementselements

CoreCore

Light Light elementselements

SurfacSurfacee

Moon no Moon no ironiron

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Earth and Earth and moonmoon

Darker Darker sphericalspherical

Axis Axis rotationrotation

Day = 6 Day = 6 hourshours

Gravitational Gravitational tidestides

Lunar Lunar month = month = 11,5 days11,5 days

Earth axis Earth axis tilttilt

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