AstronomyJosh McMullen

MERCURY• Major Features (craters, canyons, mountains, volcanoes, rings, storms, etc.)

-Heavily crated

• Early Evolution or history of the planet?-Craters caused by asteroids and comets rained down on Mercury approx. four billion years ago.

• Composition of the Planet and it’s atmosphere-Silica, and solid outer crust-no atmosphere

• What human technology have we sent to this planet and what have we discovered?

• Facts:-Does not have a natural satellite-Smaller than the moon-Looks like our moon

VENUS• Major Features (craters, canyons, mountains, volcanoes, rings, storms, etc.)

• Early Evolution or history of the planet-Rotates East to West (Retrograde rotation)

• Composition of the Planet and it’s atmosphere.-Made up mostly of carbon dioxide

• What human technology have we sent to this planet and what have we discovered?

• Facts:-Has no natural satellite -Hottest planet -Takes 243 Earth days to make a rotation

MARS• Major Features (craters, canyons, mountains, volcanoes, rings, storms, etc.)

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• Early Evolution or history of the planet.-

• Composition of the Planet and it’s atmosphere.-Iron-Thin atmosphere, made mostly of carbon dioxide

• What human technology have we sent to this planet and what have we discovered?

• Facts:-Red because of the Iron-Mars year = 687 Earth days-Has 2 moons

JUPITER• Major Features (craters, canyons, mountains, volcanoes, rings, storms, etc.)

-Has a Ring

• Early Evolution or history of the planet.-Red spot is a storm going on for the last 300 years

• Composition of the Planet and it’s atmosphere.

• What human technology have we sent to this planet and what have we discovered?

• Facts:-Rotates faster than any planet-Largest planet-Has 10 hour days

SATURN• Major Features (craters, canyons, mountains, volcanoes, rings, storms, etc.)

-It has a Ring

• Early Evolution or history of the planet-Ring made up of billion of pieces of rocks, ice, and dust

• Composition of the Planet and it’s atmosphere-Titan is the only moon with an atmosphere

• What human technology have we sent to this planet and what have we discovered?

• Facts:-Lowest density of all planets-60 known satellites - 9 times the size of Earth

URANUS• Major Features (craters, canyons, mountains, volcanoes, rings, storms, etc.)

-“The Blue Planet”

• Early Evolution or history of the planet-Tilted from the impact of a comet, or another planet.

• Composition of the Planet and it’s atmosphere.-Methane Gas

• What human technology have we sent to this planet and what have we discovered?

• Facts:-Coldest planet in solar system-Tilted completely on its side- Blue from methane gas

NEPTUNE• Major Features (craters, canyons, mountains, volcanoes, rings, storms, etc.)

-Dark ring

• Early Evolution or history of the planet.

• Composition of the Planet and it’s atmosphere.-Hydrogen

• What human technology have we sent to this planet and what have we discovered?

• Facts:-Has 8 known moons-Stormiest planet-Has a system of a thin dark ring

PLUTO• Major Features (craters, canyons, mountains, volcanoes, rings, storms, etc.)

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• Early Evolution or history of the planet.-

• Composition of the Planet and it’s atmosphere.-Ice and rock.

• What human technology have we sent to this planet and what have we discovered? -Tombaugh has proved that this was not a planet and not a star.

• Facts:

-Pluto was once thought to be a planet.-Earth is it’s only natural satellite.-Located in the Kuiper Belt.