Our Solar System

Inner Solar System(Terrestrial Planets)

• Mercury

• Venus

• Earth

• Mars

Evening and Morning Star

Mercury and Venus

http://antwrp.gsfc.nasa.gov/apod/image/0003/mercurysky_casado_big.jpg

Mercury

Mercury Year = 88 Earth Days

Mercury Day = 59 Earth Days

http://antwrp.gsfc.nasa.gov/apod/image/9612/mercury2_mariner10_big.gif

Surface of Mercury

•Mercury has no atmosphere

•Water on Mercury? Possibly.

•Composition = Heavy Elements

http://antwrp.gsfc.nasa.gov/apod/image/0002/merc4_m10_big.gif

Solar Energy

Temperature = 662 to -274 degrees Fahrenheit

http://antwrp.gsfc.nasa.gov/apod/image/9911/mercury_1600_trace.gif

•Distance From Sun = 0.387 AU

• Earth Mass = .055

• Diameter = .383

• Tilt = .5

•Distance From Sun = 0.387 AU

• Earth Mass = .055

• Diameter = .383

• Tilt = .5

Venus

Venus Year = 225 Earth Days

Venus Day = 243 Earth Days

http://antwrp.gsfc.nasa.gov/apod/image/venus_galileo.gif

Surface of Venus

Atmosphere

• Mostly Carbon Dioxide

• 3% Nitrogen

• Sulfuric Acid Droplets

Composition = Heavy Elements

http://antwrp.gsfc.nasa.gov/apod/image/0105/venus_greenbank_big.jpg

Solar EnergyTemperature = 860 degrees Fahrenheit

Water on Venus? NO (evaporated)

http://antwrp.gsfc.nasa.gov/apod/image/maat_mons.gif

•Distance From Sun = 0.723 AU

• Earth Mass = .815

• Diameter = .949

• Tilt = 177.3

EarthEarth Year = 365 days

Earth Day = 24 hours

http://antwrp.gsfc.nasa.gov/apod/ap010204.html

Surface of Earth

Atmosphere• 78% Nitrogen• 21% Oxygen• 1% Other Gases

Composition = Heavy Elements

http://antwrp.gsfc.nasa.gov/apod/ap980204.html

Solar Energy

Temperature = 140 to -130 degrees Fahrenheit

Water on Earth? Yes (liquid , solid, & gas)

http://antwrp.gsfc.nasa.gov/apod/ap000131.html

•Distance From Sun = 1 AU

• Earth Mass = 1

• Diameter = 1

• Tilt = 23.45

Mars

Mars Year = 1.88 Earth Years

Mars Day = 24.5 Earth Hours

http://antwrp.gsfc.nasa.gov/apod/ap011017.html

Surface of Mars

Atmosphere

• 95% Carbon Dioxide

• 5% Nitrogen

Composition = Heavy Elements

http://antwrp.gsfc.nasa.gov/apod/ap010721.html

Solar Energy

Temperature = 70 to -220 degrees Fahrenheit

Water on Mars? Yes (frozen)

http://physics1.byu.edu/christensen/Physics%20127/Images/Mars.html

•Distance From Sun = 1.524 AU

• Earth Mass = .107

• Diameter = .553

• Tilt = 25.19

Asteroid Belt

• Divides the Inner and Outer Planets

http://antwrp.gsfc.nasa.gov/apod/ap010211.html