SOLAR SYSTEM

SUN

• Day length-27 days
• Mass-330,000 x earth
• Diameter-1.4million km
• Surface temp-5,500 Celsius
• Density-1.41 water =1

SUN

• The fate of our sun is that in 5 billion years
• The suns center hydrogen is going to run
• Out. Helium is going to get squeezed and speed
• Up the hydrogen burning. Slowly the sun will
• Become a red giant and eat all the inner planets.

ZONES IN SUN

• Convection zone is where energy is transformed more rapidly
• Core is the region where energy of the sun is produced.
• Radiation zone is where the energy first travels through.

MERCURY

• Year length-.24 years. Density-5,427 kg
• Day length-58.65 days
• Mass-0.06xearth
• Diameter-1.4 million km
• Temp at surface-5,500c

MERCURY

• Mercury is made up of craters.
• The atmosphere is filled with hydrogen helium and oxygen.

VENUS

• Year length-.62years/density-5,243kg
• Day length-243 days
• Mass-.82xearth
• Diameter-12,104km
• Surface temp-730k

VENUS

• Venus is made up of central iron core and rocky mantle.
• The atmosphere is filled with carbon dioxide and thick clouds of sulfuric acids.

EARTH

• Year length-365 days 5 hours
• Day length-24 hours
• Mass-6.5e21 tons/density-5,515 kg
• Diameter-12,750 million km
• Surface temp-287k

EARTHS MOON

• Moon formation 3 reasons
• Moon came out of crust of earth
• Moon was captured by earth
• Earth and moon formed together out of premedilola nebula

MOON THEORIES

• A large object crashed into earth and the debris formed the moon.
• Other planets moons were captured asteroids and they look like potatoes not round. Our moon is round
• Nuclei of moon drew material out of clouds of gas and dust.

MARS

• Year length-1.88 years
• Day length-24.6hrs
• Mass-.11xearth/density-3,933kg
• Diameter-6,785km
• Surface temp-218k

MARS

• Mars is made up of volcanos, canyon systems
• River beds, cratered terrains, and dune fields
• The atmosphere is filled with carbon dioxide
• Nitrogen, argon, and other small gasses.

JUPITER

• Year length-12 years
• Day length-9.8 hours
• Mass-3.18xearth/diameter-1,326kg
• Diameter-142,800km
• Surface temp- -150 Celsius

JUPITER

• Jupiter is made up of hydrogen and helium.
• The atmosphere also has that but it does have ammonia, methane, and sulfur.

SATURN

• Year length-29.5 years
• Day length-10.67hrs
• Mass-95xearth/density-687kg
• Diameter-119,871km
• Surface temp- -170 Celsius

SATURN

• It's made up of heavy rock and it's core is ice.
• The atmosphere is filled with sulfur.

URANUS

• Year length-84years
• Day length-17.24 hours
• Mass-14.5xearth/density-1,270kg
• Diameter-51,488km
• Surface temp- -200 Celsius

URANUS

• Uranus is covered with clouds.
• Uranus is made up of methane.

NEPTUNE

• Year length-1.65 years
• Day length-17.24hours
• Mass-17.2xearth/density-1,638kg
• Diameter-49,493km
• Surface temp- -210 Celsius

NEPTUNE

• It's made up of clouds and it has a dark spot.
• The atmosphere is full of clouds.

PLUTO

• Year length-248 years
• Day length-6.387 days
• Mass-.0021xearth/density-1,750kg
• Diameter- .187xearth
• Surface temp- 40-50K

ASTEROID BELT

• The asteroid belt could be fragments of a planet that broke up long ago.
• Composed of metal and rock.

THE KUIPER BELT

• Shaped like an elipse.
• Composed of icy chunks

COMETS

• A comet is a celestial object consisting of a nucleus
• Of ice and dust. When near the sun a tail of dust and gas
• Particles pointing away from the sun.

HALLEYS COMET

• Returns to earth every 75 years
• Named after Edmond Halley
• First observation of comet was in 239 B.C.

THE GREAT COMET OF 1680

• Brightest comet of 17th century
• Sometimes referred to as kirch's comet.
• Newton used orbit of comet as a study in keplers laws of motion.

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