Distance and Temp range Composition and Rotation and Atmosphere Special Features size color Orbital Time Interesting Mercury *Mostly iron Rotation ~59 *Very thin *Name=Roman messenger d=36 million mi -280 to 800°F *Brownish, gold, None Earth days God b/c move more quickly (58 million km) gray He (42%) than other planets -170 to 430°C *Large core & thin Orbital period ~88 Na (42%) *smallest planet mantle Earth days O2 (15%) *many craters (caloris basin D=3,000 mi *thin layer of H (1%) is largest) (4,900 km) silicates Sunrise to *rock and metal Sunrise= 176 contain water/ice days Venus *Color- high red Rotation ~243 *extremely *hottest planet d=67 million mi Avg. surface and low blue None Earth days thick *name= Roman Goddess of (108 million km) temp over *Central core of Orbital period 97% CO2 Love 880°F (470°C) iron and nickel ~225 Earth days 3.5% N2 *brightest of all planets; *mantle and thin Sunrise to Clouds of star”/ star” D=7,500 mi Thick “morning “evening crust Sunrise= 117 sulfuric acid (12,100 km) atmosphere *Earth’s sister planet days traps in heat *covered with lava Traces of *visited by more spacecraft *rotates backward vapor, argon, *rocky/dusty than any other compared to neon, carbon *covered in volcanoes planets (E to monoxide W) *thick clouds= greenhouse effect Earth *Mostly blue due 78% N2 *only planet that sustains life d=93 million mi -126 to 136°F to water on 1 called Rotation ~24 hrs 21% O2 *name= Hebrew (150 million km) surface trace of other ground -88 to 58°C Orbital period gases “Moon” *Iron and Nickel *enough water to cover D=7,900 mi 365.26 days core whole earth with 1 inch (12,800 km) -water vapor, *possibly sulphur CO2 and oxygen -layered *70% water Distance/size Temp range Comp. and Color Moons Times Atmosphere Special features
Distance and size Temp range Composition and color Rotation and Orbital Time Atmosphere Special Features Interesting Mercury d=36 million mi (58 million km) D=3,000 mi (4,900 km) -280 to 800°F -170 to 430°C *Mostly iron *Brownish, gold, gray *Large core & thin mantle *thin layer of silicates *rock and metal None Rotation ~59 Earth days Orbital period ~88 Earth days Sunrise to Sunrise= 176 days *Very thin He (42%) Na (42%) O2 (15%) H (1%) *Name=Roman messenger God b/c move more quickly than other planets *smallest planet *many craters (caloris basin is largest) contain water/ice Venus d=67 million mi (108 million km) D=7,500 mi (12,100 km) Avg. surface temp over 880°F (470°C) Thick atmosphere traps in heat *Color- high red and low blue *Central core of iron and nickel *mantle and thin crust *covered with lava *rocky/dusty None Rotation ~243 Earth days Orbital period ~225 Earth days Sunrise to Sunrise= 117 days *rotates backward compared to planets (E to W) *extremely thick 97% CO2 3.5% N2 Clouds of sulfuric acid Traces of vapor, argon, neon, carbon monoxide *hottest planet *name= Roman Goddess of Love *brightest of all planets; “morning star”/ “evening star” *Earth’s sister planet *visited by more spacecraft than any other *covered in volcanoes *thick clouds= greenhouse effect Earth d=93 million mi (150 million km) D=7,900 mi (12,800 km) -126 to 136°F -88 to 58°C *Mostly blue due to water on surface *Iron and Nickel core *possibly sulphur and oxygen *70% water 1 called “Moon” Rotation ~24 hrs Orbital period 365.26 days 78% N2 21% O2 trace of other gases -water vapor, CO2 -layered *only planet that sustains life *name= Hebrew *enough water to cover whole earth with 1 inch Distance/size Temp range Comp. and Color Moons Times Atmosphere Special features ground