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The Solar System.

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Presentation on theme: "The Solar System."— Presentation transcript:

1 The Solar System

2 The Sun The largest object in the solar system
The center of the solar system The Sun’s gravity keeps all the other objects in orbit around the Sun.

3 Mercury Closest planet to the Sun A rocky planet No atmosphere
One side always faces the Sun – HOT One side always faces away from the Sun – COLD Sometimes can be seen from Earth

4 Venus Second brightest object in night sky Second closest to the Sun
Rocky planet Thick, cloudy atmosphere Closest planet to Earth

5 Earth Third planet Rocky planet Has liquid water Has oxygen gas
Probably the only planet with life

6 Mars Can be seen from Earth – appears reddish
Made of rocks with “rusty” iron Has two moons Has some water ice now – liquid water long ago

7 Jupiter Largest planet Called a “gas giant” because it is mostly gas
Liquid and solid layers are probably below the thick atmosphere At least 18 moons Seen from Earth

8 Saturn Second largest planet Gas giant
Rings are made of rocks, dust and ice At least 18 moons Visible from Earth

9 Uranus Seventh planet from the Sun A gas giant Has small rings
Not visible without a telescope Discovered in 1781

10 Neptune Eighth planet from the Sun – usually A gas giant
Discovered in 1846

11 Pluto Smallest planet Rocky planet Very elliptical orbit
Sometimes is closer to Sun than Neptune Its moon is almost as big as the planet May be an “escaped” moon from a gas giant


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