Our Solar System
How much a 100 pound person would weigh 38 Pounds
Who discovered Mercury Ancients
When Mercury was discovered Unknown
Rotation (1 Day): 59 Earth Days
Revolution (1 year): 88 Earth Days
Number of Moons NONE
Number and Composition of Rings: None
Temperature (Average/Range) 840°F -275°F
Weather Very hot in the day and summer. Very cold at night and winter.
Appearance/ Features Looks gray Flat plains, steep cliffs, craters
Facts: Smallest planet Closest to the sun Atmosphere: No true atmosphere Some gasses have been detected
How Much a 100 Pound person would weigh on Venus: 91 pounds
Who discovered Venus Ancients
When Venus was discovered Unknown
Rotation (1 Day): 243 Earth Days Has a day longer than its year.
Revolution (1 year): 225 Earth Days
Number of Moons: None
Number and Composition of rings None
Temperature (Average/Range) Average 870°F
Weather Lightning storms Very hot because of greenhouse effect (The atmosphere is so thick that it holds in most of the heat from the Sun.)
Appearance/Features Yellow Plains, mountains, canyons, valleys, volcanoes, craters
Facts: Extremely high temperatures because of the dense atmosphere. Atmosphere: 96% carbon dioxide 3% nitrogen Traces of sulfur dioxide and other gases
Earth
How much a 100 Pound person would weigh 100 pounds
Who discovered Earth Unknown
When Earth was discovered Unknown
Rotation (1 Day): 23.9 Hours
Revolution (1 Year): Days
Number of Moons One
Number and Composition of rings None
Temperature (Average/Range) -126°F 136°F
Weather Seasons because of Earth’s tilted axis
Appearance/ Features: Blue, Green, Brown, White Mountains, Valley, Volcanoes Land masses Large ocean bodies
Fact: Supports Life Atmosphere 78% nitrogen 21% Oxygen Several layers
How much a 100 pound person weighs on Mars 38 pounds
Who discovered Mars Ancients
When Mars was discovered Unknown
Rotation (1 Day): 24.6 Hours
Revolution (1 Year): 687 Earth Days Almost twice as long as Earth
Number of Moons: Two
Number and Composition of Rings None
Temperature (Average/Range) -195°F 70°F
Weather Clouds and winds Dust Storms Seasons
Appearance/Features: Channels, valleys, polar ice caps, canyons, mountains, plains, volcanoes, craters.
Fact: Has seasons like Earth. Atmosphere: 95% carbon dioxide 2.7% nitrogen 1.6% argon
Asteroid Belt
How much a 100 Pound person would weigh pounds Has much more gravity than Earth
Who discovered Jupiter Ancients
When Jupiter was discovered Unknown
Rotation (1 Day): 9.8 Hours
Revolution (1 Year): 11.8 Earth Years
Number of Moons: At least 67
Number and Composition of rings 4 made of dust
Temperature (Average/Range) Average -162°F
Weather Clouds, winds, storms, lightning.
Appearance/Features: Red and White bands Great Red Spot – swirling cloud of gas (3 Earth sizes in diameter)
Fact: Largest planet in our solar system Atmosphere: Hydrogen and Helium
How much a 100 pound person would weigh 107 pounds
Who discovered Saturn Ancients
When Saturn was discovered Unknown
Rotation (1 Day): 10.2 Hours
Revolution (1 Year): 29.4 Earth Years
Number of Moons: At least 62
Number and composition of rings 7 main rings made of ice particles
Temperature (Average/Range) Average -218°F
Weather Seasons Storms, lightning in clouds
Appearance/Features: Looks yellow Beautiful rings that appear as flat disks.
Fact: Has seven major rings
How much a 100 pound person would weigh 88.9 Pounds
Who discovered Uranus William Herschel
When Uranus was discovered 1781
Rotation (1 Day): 17.9 Hours
Revolution (1 Year): 84 Earth Years
Number of Moons: 27
Number and Composition of rings 13 rings probably made of ice
Temperature (Average/Range) Average -323°F
Weather Seasons Very cold storms
Appearance/Features: Pale Blue-green color Dark spot make of whirling gases like on Jupiter
Fact: Rotates on its side
How much a 100 pound person would weigh pounds
Who discovered Neptune Urbain Le Verrier Johann Galle Heinrich d’Arrest
When Neptune was discovered 1846
Rotation (1 Day): 16.1 Hours
Revolution (1 Year): Earth Years
Number of Moons: 14
Number and Composition of rings 6 rings made of dust
Temperature (Average/Range) Average -353°F
Weather Seasons last 40 years
Appearance/Features: Blue, thick layers of clouds
Fact: Has violent winds of 1,250 mph
How much a 100 Pound person would weigh 6.7 pounds
Who discovered Pluto Clyde W. Tombaugh
When Pluto was discovered 1930
Length of rotation (1 day) 6 Earth days
Length of Revolution (1 year) 248 Earth years
Number of moons 3
Number and Composition of rings Pluto possibly has rings but it is not confirmed
Temperature (Average/Range) -385°F
Weather Very cold and icy Atmosphere may freeze and turn to snow
Appearance/Features Light brown Polar caps and ice Know little about surface
Interesting facts Pluto has been considered a dwarf planet for 7 years.