Planets of the Solar System

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Slide 23

Uranus - named after the father of Saturn in Roman mythology

Slide 24

Neptune - named after the Roman god of the sea

Eighth planet from the sun

Atmosphere

hydrogen

helium

methane

Temperature

as low as -220 degrees C

Slide 25

Neptune - named after the Roman god of the sea

Surface

ocean of water and liquid methane

rocky core

Five rings surround Neptune

made of dust particles formed from meteorites

Slide 26

Neptune - named after the Roman god of the sea

Slide 27

Pluto - named after the Roman god of the underworld

Ninth planet from the sun

Smallest planet

Least dense planet

Seems to be made primarily of methane ice

Thin atmosphere (only on the sunny side)

methane ice evaporated to form this

Slide 28

Pluto - named after the Roman god of the underworld

Slide 29

Other Websites

Planet Scapes

Views of the Solar System

Interactive Planet Tour

Planetary Paths

Orbital Motions - The Inner Planets