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Sun's Planetary System
   
01 The Solar System PIA10231, mod02by Image Editor on Flickr

The Solar System  is everything that orbits the Sun
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Mercury on Sun - Rare Transit by edhiker on Flickr

The Sun: Star
  • Hottest thing in our Solar system
  • 435000 miles - the size of about 1000 Jupiter's!
  • Only star in our Solar system
  • In it's prime of life (only 4 billion years old). It will live for another 4 billion years
  • 70 % hotter than 1 billion years ago
  • All planets, dwarf planets, asteroids, meteors, meteoroids and comets orbit the Sun

 

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The Inner Solar System - Is the four rock planets and the asteroid belt

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NASA Satellite MESSENGER Sends Back First Image of Mercury from Orbit by NASA Goddard Photo and Video on Flickr

Mercury: Rock planet

  • First planet from the Sun 
  • Second hottest planet
  • No natural satellites
  • Big iron core
  • Small thin mantle
  • Most of it's mantle was stripped off by a huge crash with a asteroid about 3 billion years ago
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Venus by chrismeller on Flickr

Venus: Rock planet
  • Hottest planet
  • Second planet from the Sun
  • Close to the same size as earth
  • No natural satellites
  • Much drier then earth
  • Average temperature is 400 degrees Celsius  
  • Has volcanic eruptions

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Earth, courtesy Apollo 17, and probably the most reproduced image of all time by woodleywonderworks on Flickr

Earth: Rock planet
  • The only planet known to have life
  • Third planet from the Sun
  • Has one satellite the moon
  • The only inner planet that has a big moon
  • The only planet with plate tectonics  
  • Atmosphere is 21% oxygen
  • Biggest inner planet


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Planet Mars by cosmobc on Flickr

Mars: Rock planet
  • Fourth planet from the Sun
  • Has water in icecaps
  • Most Earth like planet
  • Coldest inner planet
  • Smaller then Earth and Venus
  • Has the biggest volcano in our Solar System Olympus Mons
  • Has our Solar Systems biggest valley  Valles Marineris
  • Has two moons Phobos and Deimos
  • About half the size of Earth
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The Asteroid Belt 
  • Is the remains of a planet that couldn't form due to Jupiter's gravity!  
  • It orbits the sun in between Mars and Jupiter. 
  • All objects in the asteroid belt are not planets or dwarf planets except for Ceres 
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Ceres: Dwarf Planet

  • Closest Dwarf planet to the Sun
  • First dwarf planet found in the asteroid belt
  • Largest asteroid
  • Used to be considered a planet when it was found
  • Was reclassified a asteroid when more asteroids where discovered
  • In 2006 it was reclassified a dwarf planet
  • Has a diameter of slightly under 1000 kilometers
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The Outer Solar System  
  • Is the Gas Giants, Ice Giants and the centaurs.
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Jupiter by chrismeller on Flickr

Jupiter: Gas Giant

  • Fifth planet from the Sun
  • Biggest planet
  • 318 Earths could fit in it!
  • About 2 times the size of all of the planets put together!
  • Made mostly of Hydrogen and Helium
  • Has the biggest storm in the Solar System the great red spot
  • Has 64 satellites
  • The largest satellite Ganymede is bigger then Mercury
  • Ganymede is the largest satellite in the world
  • Has very thin rings
     
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Saturn by chrismeller on Flickr

Saturn: Gas Giant

  • Sixth planet from the Sun
  • Second biggest planet
  • Has the biggest set of rings in the Solar System
  • The size of 95 earths
  • It's rings are made up of rock and ice
  • has 62 satellites
  • It's largest satellite Titan is bigger then Mercury
  • Titan is the second largest satellite in the Solar System
  • Titan is the only Satellite with a atmosphere

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Voyager Uranus by FlyingSinger on Flickr

Uranus: Ice Giant

  • The size of 14 Earths
  • The lightest outer planet
  • Orbits the sun on it's side so half the year there is light on one side and no light on the other
  • Core is much colder then the other outer planets
  • Radiates very little heat into space
  • Has 27 natural satellites
  • Seventh planet from the Sun
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Voyager Neptune by FlyingSinger on Flickr

Neptune: Ice Giant

  • Eight planet from the Sun
  • The size of 17 Earths
  • It radiates more heat into space then Uranus
  • Has 13 natural satellites
  • It's largest satellite Triton is geologically active
  • Triton is the only moon that goes around it's planet backwards
  • A number of minor planets go with Neptune in it's orbit
  • The minor planets are in a 1:1 resonance with Neptune meaning every time Neptune goes around the Sun once so do they
  • Minor planets are called the Neptune Trojans  
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Trans-Neptunian region: Is the area beyond Neptune, which is mostly unexplored
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The Kuiper belt:  Is much like the asteroid belt but everything is made mostly out of ice. It can be divided into the classical belt objects that don't have a resonance with Neptune and the Resonance belt objects that do.   
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New Horizons at Pluto - Orbiter by FlyingSinger on Flickr

Pluto: Dwarf planet

  • Ninth planet from the Sun 
  • Second dwarf planet to be found
  • Largest known object in the Kuiper belt 
  • When it was discovered it was considered a planet
  • Became a dwarf planet in 2006
  • Orbit is tilted by 17 degrees
  • At it's closest it's in the orbit of Neptune
  • Has 4 natural satellites
  • Pluto's largest natural satellite Charon is sometimes called a binary system with Pluto because the appear to orbit each other
  • Pluto is in a 3:2 resonance with Neptune meaning every time Neptune goes around the Sun three times Pluto goes around the sun twice
  • The largest object in the Resonance belt
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Haumea: Dwarf planet
  • Egg shaped
  • Has two natural satellites
  • Orbit is tilted by 28 degrees                                                                                                        
Makemake:Dwarf planet
  • Second brightest object in the Kuiper belt after Pluto
  • Orbit is inclined by 29 degrees
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The Scattered Belt: Is thought to be the source of short period Comets and objects that where scattered by Neptune's gravity.
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Eris: Dwarf planet
  • Largest object in the scattered disc
  • 25% percent more massive then Pluto
  • The most massive dwarf planet
  • Has one moon Dysnomia
  • Orbit is steeply inclined

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The Oort cloud: Is made of a trillion icy objects that orbit the Sun a light year away it is also thought to be the source of long period comets.
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Scattered disc Sedna: Most likely a Dwarf planet
  • Large and Red
  • Has a large and steeply inclined orbit
  • Orbit takes 12,050 years to complete
  • Thought to be a part of an entirely new population
  • Founder says that it can not be a part of the scattered disc or the Kuiper belt because it goes to far away from the Sun
  • Most likely a dwarf planet but it's shape has not been confirmed
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