The Solar System

The Sun, Planets, And Our Moon

Our Solar System

Today we will learn about:–The Sun–The 8 Planets–One Dwarf Planet–The Earth’s Moon

Important words

• Orbit – The time is takes a planet to go around the Sun.

• Revolution – The time is takes a planet to spin (rotate) around one time.

• Axis – The imaginary line through the center of a planet, that a planet rotates around.

The Sun

• Is a Star in the Milky Way Galaxy• The Sun is at the Center of our

Solar System• All planets, their moons, comets,

and Asteroids all orbit the Sun• The Sun is 10,000 degrees F• 109 times the size of the Earth

Mercury

• 1st planet and closet to the Sun• Orbits the sun every 88 days• Makes one Revolution every

59 days• Has no moons

Venus

• 2nd Planet from the Sun• Called Earth’s “twin” because they are

so similar in size.• Orbits the Sun every 225 days• Make one Revolution every 243 days• Has no moons• The surface is actually impossible to

see due to cloud cover.• Special imaging tools have given us a

look at what the surface might look like.

Earth

• 3rd Planet from the Sun• Orbits the Sun every 365 days• Makes one Revolution every 24

hours• Earth is the only planet in the

solar system with life on it• Is made of 71% water• Has one moon

The Moon

• Orbits the Earth every 27 hours• Makes one Revolution every

29 days• The Dark spots are called

Maria• The rest of the moon that is

light grey is called the highlands

Mars

• 4th planet form the Sun• Orbits the Sun every 687 days• Makes one revolution every

24hrs. 39 min., and 35 sec.• Has Two moons• Is red due to its Iron rich surface • Is the next body in space we

hope to land on

Jupiter

• 5th Planet from the Sun• Orbits the Sun every 12 years• Makes one revolution every 9 hours• Is the Largest Planet• Has 16 moons• Has 3 thin rings around it• The large red spot is a huge storm

the circles the planet.

Saturn

• 6th Planet from the Sun• Orbits the Sun every 29 years• Makes one revolution every

10hrs• Is known for its seven bold rings

made of rocks and ice• Is the 2nd largest Planet• Has 25 moons

Uranus

• 7th Planet from the Sun• Orbits the Sun every 84 years• Makes one revolution every 17

hours• Only Planet to rotate on its side• Has rings• Has 21 moons • Is the last planet we can see with

out a telescope.

Neptune

• 8th planet from the Sun• Orbits the Sun every 165

years• Makes one revolution every

16 hours• Has Rings• Has 11 moons

Pluto

• Used to be the 9th Planet from the Sun

• In 2006 it was decided that Pluto is actually what they now call a Dwarf Planet.–Due to its size and Irregular orbit

• Orbits the Sun every 248 days• Makes one revolution every 248

years

Sources

• All facts and pictures were provided by

http://www.nasa.gov