1. The Planets

2. What is a planet?
A planet is a celestial body that orbits around the sun
What does celestial mean?
Celestial simply means space
What does orbit mean?
Orbit means to travel
So what does that mean?
A planet is a large mass that is floating in space by gravity and moves in a circle around the sun

3. What are the planets? There are eight planets in our Solar System:
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune

4. Mercury
Mercury is the closest planet to the sun (36 million miles from the sun)
Eighth largest planet
There are craters on the surface of Mercury
Orbits around the sun in only 88 days
Mercury rotates very slowly, one day in Mercury is 58 Earth Days
Has no moons

5. Venus Second Planet from the sun (67,237,910 miles from the sun)
Hottest and brightest of all planets
Sometimes call morning star
Same size as earth
Has craters and volcanoes on the surface
Takes about 225 days to orbit around the sun
Spins backwards
No moons or rings

6. Earth Third planet from the Sun Fifth largest planet
Takes about 365 days (1 year) to orbit around the Sun
The surface of Earth is 70% water and plate tectonics
Earth has one Moon (click her for information about the Moon)

7. Mars Fourth Planet from the Sun
Called the Red Planet because of it’s red color
A day on Mars is a little over 24 hours (only a little longer than a day on Earth)
A year on Mars is 687 days (almost double an Earth year)
Mars has two moons Phobos and Diemos
There are craters, volcanoes, and dust storms on Mars

8. Jupiter Fifth planet from the Sun Largest planet in the Solar System
Takes 12 Earth years to orbit the Sun
483,780,000 miles from the Sun
Jupiter has 60 Moons
Jupiter has rings
Jupiter is made up of mostly gas unlike the other planets

9. Saturn Sixth Planet from the Sun Second largest planet
941,070,000 miles from the Sun
Takes 29 Earth years to orbit the sun
Has 31 moons
Saturn has rings which are made up of thousands of ice particles the size of a small car

10. Uranus Seventh planet from the sun Icy planet (blue in color)
Faint rings
Rotates on its side (one pole is facing the Sun so seasons on Uranus last 20 years)
takes about 84 Earth years to orbit the Sun
Has 16 moons
178,486,000 miles from the Sun

11. Neptune Eighth planet in the solar system
Blue in color with faint rings
Made up of gas
Has 13 moons
Takes about 164 Earth years to orbit the Sun
2,793,100,000 miles from the Sun
The largest moon Triton orbits backwards around Neptune

12. Earth’s Moon A natural Satellite from Earth
Only object in Space humans have ever visited
Takes 27 days to orbit the Earth
Craters on the surface were caused by meteors smashing into it
Causes the ocean tides because of the gravitational pull between Earth and the Moon
Click here to go back to Earth

13. Time to take a Quiz!
Click on the answer that you think is correct. Don’t worry if you get it wrong you can always try again! Good Luck!

14. Which planet is fourth from the sun?
1. Jupiter
2. Venus
3. Mars
4. Earth

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17. Which planet has 13 moons?
1. Neptune
2. Uranus
3. Jupiter
4. Earth

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20. Which planet is closest to the sun?
1.Venus
2. Mars
3. Saturn
4. Mercury

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23. Which planet takes 12 Earth Years to orbit the Sun?
1. Venus
2. Mercury
3. Jupiter
4. Mars

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26. Which is the second largest Planet?
1. Venus
2. Saturn
3. Mars
4. Uranus

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29. Which Planet rotates on its side?
1. Jupiter
2. Saturn
3. Uranus
4. Mercury

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32. Which planet is the hottest of all Planets?
1. Mercury
2. Neptune
3. Uranus
4. Venus

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35. Which planet is the largest planet in our Solar System?
1. Saturn
2. Earth
3. Neptune
4. Jupiter

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38. Which planet is third from the sun?
1. Neptune
2. Earth
3. Uranus
4. Mars

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41. This is the only object in Space Humans have visited
1. Mars
2. Earth’s Moon
3. Venus
4. Mercury

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