OUR SOLAR SYSTEM

THE SUN

• The sun is a star and is made of burning hydrogen into helium
• In about 5 million years, the sun will turn into a red giant
• Eventually it will turn into a white dwarf

MERCURY

• Rotation around axis: 58.85 days
• Rotation around sun: 0.24 earth years
• There are no satellites
• Distance from sun: 46 million km and .387 AU

FACTS

• Has almost no atmosphere
• The smallest planet in the solar system
• Mercury has high iron in its composition

VENUS

• Period if rotation around axis: 243 days
• Period of revolution: .62 Earth years
• Satellites: 0
• Distance from sun: 108 million km, .72 AU

FACTS

• The atmosphere is made of 90% carbon dioxide
• The surface temperature is high enough to melt lead
• There are over 1600 large volcanoes on Venus

EARTH

• Period of rotation on axis: 24 hours
• Period of revolution around sun: 365 days 5 hours
• Satellites: 1
• Distance from sun: 146 million km, 1 AU

FACTS

• The moon is about one quarter the size of earth
• Over billions of years our earths temperature will heat and cool
• 70% of our surface is covered in water

MARS

• Period of rotation on axis: 24.6 hours
• Period of revolution around sun: 1.88 years
• Number if satellites: 2
• Distance from sun: 205 million km, 1.52 AU

FACTS

• Mars is a red tint because it has rust in the iron in the soil
• It is named after the roman god of war
• There are signs that lakes use to be there

JUPITER

• Period of rotation on axis: 9.3 hours
• Period of revolution around sun: 12 years
• Number of satellites: 63
• Distance from sun: 741 million km, 5.2 AU

FACTS

• The big red dot is a huge storm in the atmosphere
• It is the largest planet
• It's atmosphere also has a large amount of methane and ammonia

SATURN

• Period of rotation on axis: 10.67 hours
• Period of revolution around sun: 29.5 years
• Number of satellites: 62
• Distance from sun: 1.35 billion km, 9.53 AU

FACTS

• Has the largest ring system
• Rings are made of ice, dust, and rock
• Named after roman god of agriculture

URANUS

• Period of rotation on axis: 17.29 hours
• Period of revolution around sun: 84 years
• Number of satellites: 27
• Distance from sun: 3 billion km, 19.19 AU

FACTS

• The whole surface is covered in clouds
• The atmosphere is made of almost all methane
• The interior of the planet is made of methane ice

NEPTUNE

• Period if rotation on axis: 17.24 hours
• Period of revolution around sun: 165 years
• Satellites:13
• Distance from sun: 54.4 billion km, 30.07 AU

FACTS

• Has a "great dark spot" similar to Jupiters
• Unusual winds are generated by the heat of the atmosphere
• The atmosphere is made of pure methane

WHY I DID NOT INCLUDE PLUTO

• It has an oval shaped revolution
• Has no atmosphere
• Has a weak gravity pull compared to other planets

THE ASTEROID BELT

• A belt of over 100,000 asteroids in between mars and Jupiter
• Believed to be a planet that was broken up billions of years ago
• The closest asteroid to us was Hermes(777,000 km)

THE KUIPER BELT

• All the objects outside of Pluto's orbit,
• Includes asteroids, comets, and dwarf planets
• Has balls of ice and rock
• It can take objects in the Kuiper belt more than 200 years to orbit
• More than 50 AU's from the sun

CITES

• Windows to the universe, 2012 national earth science institute http://www.windows2universe.org/comets/Kuiper_belt.html