Our Solar System - PowerPoint PPT Presentation

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Our Solar System

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Our Solar System Our Solar System Our solar system is made up of: Sun Eight planets Their moons Asteroids Comets Inner Planets The inner four rocky planets at the ... – PowerPoint PPT presentation

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Title: Our Solar System


1
Our Solar System
2
Our Solar System
  • Our solar system is made up of
  • Sun
  • Eight planets
  • Their moons
  • Asteroids
  • Comets

3
Inner Planets
  • The inner four rocky planets at the center of the
    solar system are
  • Mercury
  • Venus
  • Earth
  • Mars

4
Mercury
  • Planet nearest the sun
  • Second smallest planet
  • Covered with craters
  • Has no moons or rings
  • About size of Earths moon

5
Venus
  • Sister planet to Earth
  • Has no moons or rings
  • Hot, thick atmosphere
  • Brightest object in sky besides sun and moon
    (looks like bright star)
  • Covered with craters, volcanoes, and mountains

6
Earth
  • Third planet from sun
  • Only planet known to have life and liquid water
  • Atmosphere composed of composed of Nitrogen
    (78), Oxygen (21), and other gases (1).

7
Mars
  • Fourth planet from sun
  • Appears as bright reddish color in the night sky
  • Surface features volcanoes and huge dust storms
  • Has 2 moons Phobos and Deimos

8
Outer Planets
  • The outer planets composed of gas are
  • Jupiter
  • Saturn
  • Uranus
  • Neptune

9
Pluto
  • Dwarf Planet
  • Never visited by spacecraft
  • Orbits very slowly

10
Asteroids
  • Small bodies
  • Believed to be left over from the beginning of
    the solar system billions of years ago
  • 100,000 asteroids lie in belt between Mars and
    Jupiter
  • Largest asteroids have been given names

11
Comets
  • Small icy bodies
  • Travel past the Sun
  • Give off gas and dust as they pass by
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