The Solar System Chapters 26 and 27 You will be tested on the Underlined words

Our Solar System Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto ? Inner Planets Outer Planets

Mercury Mars Venus Earth The Inner planets are grouped together because they have similar characteristics The Inner Planets Sun Terrestrial-earthlike, rocky crust, dense mantle and core

Orbits of the Inner Planets

Mercury The smallest of 4 inner planets. (terrestrial planets) The smallest of 4 inner planets. (terrestrial planets)

Mercury and Earth Moon All pictures are to scale so you can relate size

Venus Similar in size, mass and gravity Similar in size, mass and gravity Called Earth’s sister planet Called Earth’s sister planet Near each other Near each other

Venus and Earth

Earth

Earth Facts: The Blue Planet Size (miles): 7927 Size (miles): 7927 Named after: Greek Gaia-Dirt Named after: Greek Gaia-Dirt Day length (Earth Days): 1 Day Day length (Earth Days): 1 Day Year length: 365 & ¼ days Year length: 365 & ¼ days Weather: ~57ºF Weather: ~57ºF Space craft visits: UFO’s ? Space craft visits: UFO’s ? Moons: The Moon Moons: The Moon Interesting Facts: Only planet with known life, only planet with liquid water, most dense planet Interesting Facts: Only planet with known life, only planet with liquid water, most dense planet

Mars May have life

Mars and Earth

The Asteroid Belt Separates the Inner and Outer planets Separates the Inner and Outer planets Ceres- Ceres- Dwarf planet- Dwarf planet- Orbits sun Spherical Not a satellite (moon)

The Outer Planets ?

4 Outer Planets are called Jovian 4 Outer Planets are called Jovian Gaseous planets Gaseous planets Outer layer is mostly Hydrogen Outer layer is mostly Hydrogen Jovian - Jupiter-like Jovian - Jupiter-like

Jupiter

Jupiter Earth

Saturn

Saturn and Earth

Uranus

Uranus and Earth

Neptune

Neptune and Earth

Planet Pluto ?? Now considered a dwarf planet- Orbits sun Spherical Not a satellite (moon) Charon- Pluto’s large moon

Pluto and Earth Pluto Charon Moon

Orbits of the Outer Planets

Past Pluto?

1 Quiz Time! Match the name of the object with the number, and give one interesting thing you learned about that object Match the name of the object with the number, and give one interesting thing you learned about that object

Answers