Celestial Objects in Space Typed by: K. Pease 2019

Mercury Distance from the sun Rotation Period (days) .39AU Rotation Period (days) 58.9 Revolution Period (years) 88 Atmosphere (principle gas) None to little / small amounts of sodium Composition (materials planet is made out of) Mainly dense metal iron Gravity (amount on planet) Weak 0.378 in ratio to Earth Gravitational Attraction to the Sun

Venus .72 au 244 224.7 Thick / sulfuric acid / mostly carbon dioxide Distance from the sun .72 au Rotation Period (days) 244 Revolution Period (years) 224.7 Atmosphere (principle gas) Thick / sulfuric acid / mostly carbon dioxide Composition (materials planet is made out of) Rocky / similar to Earth Gravity (amount on planet) 0.907 in ratio to Earth Gravitational Attraction to the Sun

Earth Distance from the sun 1.0 au Rotation Period (days) 24 hours Revolution Period (years) 365.2 days Atmosphere (principle gas) Oxygen , argon, carbon dioxide, nitrogen, water vapor Composition (materials planet is made out of) Liquid water/ rocky Gravity (amount on planet) 1 Gravitational Attraction to the Sun

Mars 1.52 au 1.03 day 687 years 95% carbon dioxide Distance from the sun 1.52 au Rotation Period (days) 1.03 day Revolution Period (years) 687 years Atmosphere (principle gas) 95% carbon dioxide Composition (materials planet is made out of) Iron rich rock, frozen water Gravity (amount on planet) 0.377 in ratio to Earth Gravitational Attraction to the Sun

Jupiter 5.20 au 9.9 days 11.9 years Hydrogen, Helium Gas Distance from the sun 5.20 au Rotation Period (days) 9.9 days Revolution Period (years) 11.9 years Atmosphere (principle gas) Hydrogen, Helium Composition (materials planet is made out of) Gas Gravity (amount on planet) 2.36 in ratio to Earth Gravitational Attraction to the Sun

Saturn 9.54 au 10.7 day 29.5 years Hydrogen, Helium Gas Distance from the sun 9.54 au Rotation Period (days) 10.7 day Revolution Period (years) 29.5 years Atmosphere (principle gas) Hydrogen, Helium Composition (materials planet is made out of) Gas Gravity (amount on planet) 0.916 in ratio to Earth Gravitational Attraction to the Sun

Uranus 19.2 au 17.2 day 83.8 years methane Gas 0.889 in ratio to Earth Distance from the sun 19.2 au Rotation Period (days) 17.2 day Revolution Period (years) 83.8 years Atmosphere (principle gas) methane Composition (materials planet is made out of) Gas Gravity (amount on planet) 0.889 in ratio to Earth Gravitational Attraction to the Sun

Neptune 30.70 au 16.1 days 163.8 years Visible clouds, methane traces Distance from the sun 30.70 au Rotation Period (days) 16.1 days Revolution Period (years) 163.8 years Atmosphere (principle gas) Visible clouds, methane traces Composition (materials planet is made out of) Gas Gravity (amount on planet) 1.12 in ratio to Earth Gravitational Attraction to the Sun

SUN n/a Hydrogen, helium Gas, star 274 m/s² Distance from the sun Rotation Period (days) Revolution Period (years) Atmosphere (principle gas) Hydrogen, helium Composition (materials planet is made out of) Gas, star Gravity (amount on planet) 274 m/s² Gravitational Attraction to the Sun

Asteroid n/a varies rocky , irregular shape Distance from the sun Rotation Period (days) Revolution Period (years) Atmosphere (principle gas) Composition (materials planet is made out of) rocky , irregular shape Gravity (amount on planet) Gravitational Attraction to the Sun

Comets varies n/a Ice, dust, gas Distance from the sun Rotation Period (days) n/a Revolution Period (years) Atmosphere (principle gas) Composition (materials planet is made out of) Ice, dust, gas Gravity (amount on planet) Gravitational Attraction to the Sun

Meteors / meteoroids / meteorites Distance from the sun varies Rotation Period (days) n/a Revolution Period (years) Atmosphere (principle gas) Composition (materials planet is made out of) Rock or metal Gravity (amount on planet) Gravitational Attraction to the Sun

The movement of an object around another object Revolution The movement of an object around another object

The spinning motion of a planet on its axis. Rotation The spinning motion of a planet on its axis.

The path of an object as it revolves around another object in space. Orbit The path of an object as it revolves around another object in space.

The attractive force between objects; the force that pulls on objects. Gravity The attractive force between objects; the force that pulls on objects.

A natural satellite in space Moon A natural satellite in space