1. Sun, Moon, Earth, How do they work together to help life survive? The Planets

2. What is a planet? According to the IAU (International Astronomical Union) a planet must meet these three guidelines.

3. What is a planet? According to the IAU (International Astronomical Union) a planet must meet these three guidelines. 1.Is in orbit around the sun.

4. What is a planet? According to the IAU (International Astronomical Union) a planet must meet these three guidelines. 1.Is in orbit around the sun. 2.Has enough mass to maintain a nearly round shape.

5. What is a planet? According to the IAU (International Astronomical Union) a planet must meet these three guidelines. 1.Is in orbit around the sun. 2.Has enough mass to maintain a nearly round shape. Called hydrostatic equilibrium.

6. What is a planet? According to the IAU (International Astronomical Union) a planet must meet these three guidelines. 1.Is in orbit around the sun. 2.Has enough mass to maintain a nearly round shape. Called hydrostatic equilibrium. 3.Has cleared the neighborhood around its orbit.

7. What is a planet? Dwarf Planets:

8. What is a planet? Dwarf Planets: –Must do #1 and #2.

9. What is a planet? Dwarf Planets: –Must do #1 and #2. –Does not do #3.

10. What is a planet? Dwarf Planets: –Must do #1 and #2. –Does not do #3. –Is not a satellite.

11. What is a planet? Dwarf Planets: –Must do #1 and #2. –Does not do #3. –Is not a satellite. –Currently there are 5 dwarf planets: Ceres (between Mars and Jupiter) Pluto Makemake Eris Haumea

12. Mercury:

13. Temperature range: believed to be from -184°C to 427°C

14. Mercury: Temperature range: believed to be from -184°C to 427°C Rotation time: 58.6 Earth days.

15. Mercury: Temperature range: believed to be from -184°C to 427°C Rotation time: 58.6 Earth days. Orbit: 88 Earth days

16. Mercury: Temperature range: believed to be from -184°C to 427°C Rotation time: 58.6 Earth days. Orbit: 88 Earth days Mass: The Earth is 18 times more massive than Mercury.

17. Mercury: Temperature range: believed to be from -184°C to 427°C Rotation time: 58.6 Earth days. Orbit: 88 Earth days Mass: The Earth is 18 times more massive than Mercury. Diameter: 4,878 km (about 40% of the Earth’s

18. Mercury: Moons: none

19. Mercury: Moons: none Water: Polar ice that never melts.

20. Mercury: Moons: none Water: Polar ice that never melts. Atmosphere: very thin, contains H, He, O, Na, Ca, and K. Removed and replenished constantly.

21. Mercury: Moons: none Water: Polar ice that never melts. Atmosphere: very thin, contains H, He, O, Na, Ca, and K. Removed and replenished constantly. Gravity: 100 pounds on the Earth weighs 37.8 pounds on Mercury.

22. Mercury: Moons: none Water: Polar ice that never melts. Atmosphere: very thin, contains H, He, O, Na, Ca, and K. Removed and replenished constantly. Gravity: 100 pounds on the Earth weighs 37.8 pounds on Mercury. Discovered: Known since ancient times.

23. Mercury: Moons: none Water: Polar ice that never melts. Atmosphere: very thin, contains H, He, O, Na, Ca, and K. Removed and replenished constantly. Gravity: 100 pounds on the Earth weighs 37.8 pounds on Mercury. Discovered: Known since ancient times. Distance to sun: 58 million km

24. Venus:

25. Temperature range: from 850°F to 950°F.

26. Venus: Temperature range: from 850°F to 950°F. Rotation time: 243 Earth days

27. Venus: Temperature range: from 850°F to 950°F. Rotation time: 243 Earth days Orbit: 225 Earth days

28. Venus: Temperature range: from 850°F to 950°F. Rotation time: 243 Earth days Orbit: 225 Earth days Mass: The Earth is 1.0 times more massive than Venus.

29. Venus: Temperature range: from 850°F to 950°F. Rotation time: 243 Earth days Orbit: 225 Earth days Mass: The Earth is 1.0 times more massive than Venus. Diameter: 12,100 km

30. Venus: Moons: None

31. Venus: Moons: None Water: yes

32. Venus: Moons: None Water: yes Atmosphere: Carbon Dioxide (95%), Nitrogen, Sulfuric Acid, and trace elements.

33. Venus: Moons: None Water: yes Atmosphere: Carbon Dioxide (95%), Nitrogen, Sulfuric Acid, and trace elements. Gravity: 100 pounds on Earth weighs 90.7 pounds on Venus.

34. Venus: Moons: None Water: yes Atmosphere: Carbon Dioxide (95%), Nitrogen, Sulfuric Acid, and trace elements. Gravity: 100 pounds on Earth weighs 90.7 pounds on Venus. Discovered: Known since ancient times.

35. Venus: Moons: None Water: yes Atmosphere: Carbon Dioxide (95%), Nitrogen, Sulfuric Acid, and trace elements. Gravity: 100 pounds on Earth weighs 90.7 pounds on Venus. Discovered: Known since ancient times. Distance to sun: 108 million km

36. Earth:

37. Temperature range: -69°C to 58°C

38. Earth: Temperature range: -69°C to 58°C Rotation time: 24 hours

39. Earth: Temperature range: -69°C to 58°C Rotation time: 24 hours Orbit: 365.26 days

40. Earth: Temperature range: -69°C to 58°C Rotation time: 24 hours Orbit: 365.26 days Mass: 5.98 X 10 kg

41. Earth: Temperature range: -69°C to 58°C Rotation time: 24 hours Orbit: 365.26 days Mass: 5.98 X 10 kg Diameter: 12,800 km

42. Earth: Moons: one

43. Earth: Moons: one Water: Yes, in all forms.

44. Earth: Moons: one Water: Yes, in all forms. Atmosphere: Nitrogen (78.1%, 20.9% Oxygen and trace amounts of Argon, Carbon Dioxide, Helium, Hydrogen, and Methane.

45. Earth: Moons: one Water: Yes, in all forms. Atmosphere: Nitrogen (78.1%, 20.9% Oxygen and trace amounts of Argon, Carbon Dioxide, Helium, Hydrogen, and Methane. Distance to sun: 150 million km

46. Mars:

47. Temperature range: -220°F to 60°F.

48. Mars: Temperature range: -220°F to 60°F. Rotation time: 24 hours 37 minutes.

49. Mars: Temperature range: -220°F to 60°F. Rotation time: 24 hours 37 minutes. Orbit: 687 Earth days

50. Mars: Temperature range: -220°F to 60°F. Rotation time: 24 hours 37 minutes. Orbit: 687 Earth days Mass: The Earth is 9.3 times more massive than Mars.

51. Mars: Temperature range: -220°F to 60°F. Rotation time: 24 hours 37 minutes. Orbit: 687 Earth days Mass: The Earth is 9.3 times more massive than Mars. Diameter: 6,796 km

52. Mars: Moons: two (Phobos and Deimos

53. Mars: Moons: two (Phobos and Deimos Water: Two permanent polar ice caps

54. Mars: Moons: two (Phobos and Deimos Water: Two permanent polar ice caps Atmosphere: Carbon dioxide (95%),, Nitrogen, Argon, Oxygen, and trace water vapor and carbon monoxide.

55. Mars: Moons: two (Phobos and Deimos Water: Two permanent polar ice caps Atmosphere: Carbon dioxide (95%),, Nitrogen, Argon, Oxygen, and trace water vapor and carbon monoxide. Gravity: 100 pounds on the Earth weighs 37.7 pounds on Mars.

56. Mars: Moons: two (Phobos and Deimos Water: Two permanent polar ice caps Atmosphere: Carbon dioxide (95%),, Nitrogen, Argon, Oxygen, and trace water vapor and carbon monoxide. Gravity: 100 pounds on the Earth weighs 37.7 pounds on Mars. Discovered: Known since ancient times.

57. Mars: Moons: two (Phobos and Deimos Water: Two permanent polar ice caps Atmosphere: Carbon dioxide (95%),, Nitrogen, Argon, Oxygen, and trace water vapor and carbon monoxide. Gravity: 100 pounds on the Earth weighs 37.7 pounds on Mars. Discovered: Known since ancient times. Distance to sun: 228 million km.

58. Jupiter:

59. Temperature range: -163°C to - 121°C.

60. Jupiter: Temperature range: -163°C to - 121°C. Rotation time: 9 hours 55 minutes Earth time.

61. Jupiter: Temperature range: -163°C to - 121°C. Rotation time: 9 hours 55 minutes Earth time. Orbit: 12 Earth years

62. Jupiter: Temperature range: -163°C to - 121°C. Rotation time: 9 hours 55 minutes Earth time. Orbit: 12 Earth years Mass: 318 times more massive than the Earth.

63. Jupiter: Temperature range: -163°C to - 121°C. Rotation time: 9 hours 55 minutes Earth time. Orbit: 12 Earth years Mass: 318 times more massive than the Earth. Diameter: 85,788 miles

64. Jupiter: Moons: 63 have been found with Ganymede the largest (bigger than Mercury and Pluto).

65. Jupiter: Moons: 63 have been found with Ganymede the largest (bigger than Mercury and Pluto). Water: yes

66. Jupiter: Moons: 63 have been found with Ganymede the largest (bigger than Mercury and Pluto). Water: yes Atmosphere: Hydrogen (90%) and Helium (10%).

67. Jupiter: Moons: 63 have been found with Ganymede the largest (bigger than Mercury and Pluto). Water: yes Atmosphere: Hydrogen (90%) and Helium (10%). Gravity: 100 pounds on Earth weighs 236.4 pounds here.

68. Jupiter: Moons: 63 have been found with Ganymede the largest (bigger than Mercury and Pluto). Water: yes Atmosphere: Hydrogen (90%) and Helium (10%). Gravity: 100 pounds on Earth weighs 236.4 pounds here. Discovered: Known since ancient times.

69. Jupiter: Moons: 63 have been found with Ganymede the largest (bigger than Mercury and Pluto). Water: yes Atmosphere: Hydrogen (90%) and Helium (10%). Gravity: 100 pounds on Earth weighs 236.4 pounds here. Discovered: Known since ancient times. Distance to sun: 778 million km

70. Saturn:

71. Temperature range: -178°C

72. Saturn: Temperature range: -178°C Rotation time: 10 hours, 40 minutes, and 24 seconds Earth time

73. Saturn: Temperature range: -178°C Rotation time: 10 hours, 40 minutes, and 24 seconds Earth time Orbit: 29.5 Earth years

74. Saturn: Temperature range: -178°C Rotation time: 10 hours, 40 minutes, and 24 seconds Earth time Orbit: 29.5 Earth years Mass: 95 times more massive than the Earth.

75. Saturn: Temperature range: -178°C Rotation time: 10 hours, 40 minutes, and 24 seconds Earth time Orbit: 29.5 Earth years Mass: 95 times more massive than the Earth. Diameter: 120,660 km (about 10 times larger than the Earth)

76. Saturn: Moons: 31 including Titan, Hyperion, Mimas, Rhea, and Phoebe

77. Saturn: Moons: 31 including Titan, Hyperion, Mimas, Rhea, and Phoebe Water: yes

78. Saturn: Moons: 31 including Titan, Hyperion, Mimas, Rhea, and Phoebe Water: yes Atmosphere: Mostly Hydrogen and Helium with some Methane and ammonia.

79. Saturn: Moons: 31 including Titan, Hyperion, Mimas, Rhea, and Phoebe Water: yes Atmosphere: Mostly Hydrogen and Helium with some Methane and ammonia. Gravity: 100 pounds on Earth weighs 106.4 pounds on Saturn.

80. Saturn: Moons: 31 including Titan, Hyperion, Mimas, Rhea, and Phoebe Water: yes Atmosphere: Mostly Hydrogen and Helium with some Methane and ammonia. Gravity: 100 pounds on Earth weighs 106.4 pounds on Saturn. Discovered: Known since ancient times.

81. Saturn: Moons: 31 including Titan, Hyperion, Mimas, Rhea, and Phoebe Water: yes Atmosphere: Mostly Hydrogen and Helium with some Methane and ammonia. Gravity: 100 pounds on Earth weighs 106.4 pounds on Saturn. Discovered: Known since ancient times. Distance to sun: 1429 million km

82. Uranus:

83. Temperature range: -197.15°C

84. Uranus: Temperature range: -197.15°C Rotation time: 17.24 hours Earth time (rotates clockwise)

85. Uranus: Temperature range: -197.15°C Rotation time: 17.24 hours Earth time (rotates clockwise) Orbit: 84 Earth years

86. Uranus: Temperature range: -197.15°C Rotation time: 17.24 hours Earth time (rotates clockwise) Orbit: 84 Earth years Mass: 14.5 times more massive than the Earth.

87. Uranus: Temperature range: -197.15°C Rotation time: 17.24 hours Earth time (rotates clockwise) Orbit: 84 Earth years Mass: 14.5 times more massive than the Earth. Diameter: 51,500 km

88. Uranus: Moons: 27

89. Uranus: Moons: 27 Water: yes

90. Uranus: Moons: 27 Water: yes Atmosphere: 83% Hydrogen, 15% Helium, 2% Methane, and trace amounts of water and ammonia.

91. Uranus: Moons: 27 Water: yes Atmosphere: 83% Hydrogen, 15% Helium, 2% Methane, and trace amounts of water and ammonia. Gravity: 100 pounds on Earth weighs 88.9 pounds on Uranus.

92. Uranus: Moons: 27 Water: yes Atmosphere: 83% Hydrogen, 15% Helium, 2% Methane, and trace amounts of water and ammonia. Gravity: 100 pounds on Earth weighs 88.9 pounds on Uranus. Discovered: Sighted in 1690 but figured out it was a planet in 1781.

93. Uranus: Moons: 27 Water: yes Atmosphere: 83% Hydrogen, 15% Helium, 2% Methane, and trace amounts of water and ammonia. Gravity: 100 pounds on Earth weighs 88.9 pounds on Uranus. Discovered: Sighted in 1690 but figured out it was a planet in 1781. Distance to sun: 2871 million km

94. Neptune:

95. Temperature range: -220°C

96. Neptune: Temperature range: -220°C Rotation time: 0.67 Earth days

97. Neptune: Temperature range: -220°C Rotation time: 0.67 Earth days Orbit: 164.8 Earth years

98. Neptune: Temperature range: -220°C Rotation time: 0.67 Earth days Orbit: 164.8 Earth years Mass: 17.15 times more massive than the Earth.

99. Neptune: Temperature range: -220°C Rotation time: 0.67 Earth days Orbit: 164.8 Earth years Mass: 17.15 times more massive than the Earth. Diameter: 49,500 km

100. Neptune: Moons: 8 known

101. Neptune: Moons: 8 known Water: yes

102. Neptune: Moons: 8 known Water: yes Atmosphere: 74% Hydrogen, 25% Helium, and 1% Methane

103. Neptune: Moons: 8 known Water: yes Atmosphere: 74% Hydrogen, 25% Helium, and 1% Methane Gravity: 100 pounds on Earth weighs 112.5 pounds on Neptune.

104. Neptune: Moons: 8 known Water: yes Atmosphere: 74% Hydrogen, 25% Helium, and 1% Methane Gravity: 100 pounds on Earth weighs 112.5 pounds on Neptune. Discovered: Found in 1846.

105. Neptune: Moons: 8 known Water: yes Atmosphere: 74% Hydrogen, 25% Helium, and 1% Methane Gravity: 100 pounds on Earth weighs 112.5 pounds on Neptune. Discovered: Found in 1846. Distance to sun: 4504 million km

106. Pluto:

107. Temperature range: -233°C

108. Pluto: Temperature range: -233°C Rotation time: 6.39 Earth days

109. Pluto: Temperature range: -233°C Rotation time: 6.39 Earth days Orbit: 248 Earth years.

110. Pluto: Temperature range: -233°C Rotation time: 6.39 Earth days Orbit: 248 Earth years. Mass: 0.002 times that of Earth.

111. Pluto: Temperature range: -233°C Rotation time: 6.39 Earth days Orbit: 248 Earth years. Mass: 0.002 times that of Earth. Diameter: 2,324 km

112. Pluto: Moons: One moon called Charon.

113. Pluto: Moons: One moon called Charon. Water: Unknown

114. Pluto: Moons: One moon called Charon. Water: Unknown Atmosphere: A frozen atmosphere that melts and refreezes.

115. Pluto: Moons: One moon called Charon. Water: Unknown Atmosphere: A frozen atmosphere that melts and refreezes. Gravity: 100 pounds on Earth weighs 6.7 pounds on Pluto.

116. Pluto: Moons: One moon called Charon. Water: Unknown Atmosphere: A frozen atmosphere that melts and refreezes. Gravity: 100 pounds on Earth weighs 6.7 pounds on Pluto. Discovered: Found in 1930.

117. Pluto: Moons: One moon called Charon. Water: Unknown Atmosphere: A frozen atmosphere that melts and refreezes. Gravity: 100 pounds on Earth weighs 6.7 pounds on Pluto. Discovered: Found in 1930. Distance to sun: 5913 million km