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Emma Johnson 10K Physics 09/12/10




The Solar System



Mercury

It orbits the Sun once every 88 day
It has 0 moons
Has a mass 5.5% of the Earth's (3.30e23 kg)
Has extreme temperatures (from -170oC at night, to
450oC during the day)
It rotates once every 59 days
Its largest…

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Emma Johnson 10K Physics 09/12/10




It consists of a gaseous atmosphere, the hydrosphere (all water on Earth), the
lithosphere, mantle, and core
The daily rotation of the Earth causes day and night



Mars

Is the only planet whose surface can be seen in detail from
Earth
Has 2 satellites (Phobos…

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Emma Johnson 10K Physics 09/12/10




Uranus

It has 27 moons
Temperature: -197.15 C
Takes 84 years to complete an orbit
It's day is equal to 17 hours
It is a retrograde planet
Uranus' atmosphere is about 83% hydrogen, 15%
helium and 2% methane



Neptune

Has 8 known satellites
1 year…

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Emma Johnson 10K Physics 09/12/10




THE MOON

Earth's nearest natural satellite
1/80 of the Earth's mass
Rotates on its own axis in 27 days and 8hrs, which is
about the same amount of time it takes to orbit the
Earth
Escape velocity: 2.38km/s
It's surface is covered with craters, lava…

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Emma Johnson 10K Physics 09/12/10

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