1. Our Solar System

2. The Sun
Diameter: 1,390,000 km
Fun Facts: It is the largest object in the solar system. Eight planets orbit the sun.

3. Mercury Diameter: 3,031 miles Number of Moons: 0
Fun Facts: Closest planet to the sun, 8th largest, temperature variations are the most extreme
Distance from the sun: 36,000,000 miles km

4. Mercury Orbital Period (Year): 88 days
Rotational Period (Day): 59 days
Average Temperature: -297°F to 800°F
Gravity Compared to Earth: 0.38km

5. Venus Diameter: 7,521 miles Number of Moons: 0 Fun Facts:
Distance from the sun: 67,000,000 miles

6. Venus Orbital Period (Year): 224 days
Rotational Period (Day): 243 days
Average Temperature: 896°F
Gravity Compared to Earth: 0.9km

7. Earth Diameter: 7,926 miles Number of Moons: 1 Fun Facts:
Distance from the sun: 92,960,000 miles

8. Earth Orbital Period (Year): 365.25 days
Rotational Period (Day): 23 hours, 56 minutes
Average Temperature: 57°F
Gravity Compared to Earth: 1km

9. Mars Diameter: 4,222 miles Number of Moons: 2 Fun Facts:
Distance from the sun: 141,700,000 miles

10. Mars Orbital Period (Year): 365.25 days
Rotational Period (Day): 23 hours, 56 minutes
Average Temperature: 57°F
Gravity Compared to Earth: 1km

11. Jupiter Diameter: 88,846 miles Number of Moons: 63 Fun Facts:
Distance from the sun: 483,500,000 miles

12. Jupiter Orbital Period (Year): 11.86 years
Rotational Period (Day): 9 hours, 55 minutes
Average Temperature: -202°F
Gravity Compared to Earth: 2.64

13. Saturn Diameter: 74,900 miles Number of Moons: 61 Fun Facts:
Distance from the sun: 888,750,000 miles

14. Saturn Orbital Period (Year): 29 years
Rotational Period (Day): 10 hours, 39 minutes
Average Temperature: -202°F
Gravity Compared to Earth: 1.16

15. Uranus Diameter: 31,763 miles Number of Moons: 27 Fun Facts:
Distance from the sun: 1,740,200,000 miles

16. Uranus Orbital Period (Year): 84 years
Rotational Period (Day): 17 hours, 14 minutes
Average Temperature: -328°F
Gravity Compared to Earth: 1.11

17. Neptune Diameter: 30,779 miles Number of Moons: 13 Fun Facts:
Distance from the sun: 2,797,770,000 miles

18. Neptune Orbital Period (Year): 164.8 years
Rotational Period (Day): 16 hours, 7 minutes
Average Temperature: -328°F
Gravity Compared to Earth: 1.21

19. Dwarf (Minor) Planets

20. Ceres Diameter: 950 km Number of Moons: 0
Distance from the sun: 257,031,000 km

21. Ceres Orbital Period (Year): 4 years, 220 days
Rotational Period (Day): 9 hours, 5 minutes
Average Temperature: -158°F

22. Pluto Diameter: 1,413 km Number of Moons: 3
Distance from the sun: 2,761,060,000 to 4,690,700,000 km

23. Pluto Orbital Period (Year): 248 years
Rotational Period (Day): 6 days, 9 hours
Average Temperature: -373°F

24. Haumea Diameter: 1,960 x 1,518 x 996 km Number of Moons: 2
Distance from the sun: 3,268,000,000 to 4,789,000,000 km

25. Haumea Orbital Period (Year): 285 years
Rotational Period (Day): 4 hours
Average Temperature: -400°F

26. Makemake Diameter: Between 1300 to 1900 km Number of Moons: 0
Distance from the sun: 3,579,000,000 to 4,933,000,000 km

27. Makemake Orbital Period (Year): 309 years
Rotational Period (Day): Unknown
Average Temperature: -405°F

28. Eris Diameter: 1,489 km Number of Moons: 1
Distance from the sun: 3,518,000,000 to 9,088,000,000 km

29. Eris Orbital Period (Year): 557 years Rotational Period (Day): 8 hours
Average Temperature: -386 to -414 °F