Planet Mars: Facts About Mars

Mars is the fourth planet from the Sun. Named after the Roman god of war, and often described as the “Red Planet” due to its reddish appearance. Mars is a terrestrial planet with a thin atmosphere composed primarily of carbon dioxide. Mars Planet Profile Mass: 0.642 x 10^24 kg (0.107 x Earth) Equatorial Diameter: 6,805 km Polar Diameter: 6,755 km Equatorial Circumference: 21,297 km Known Moons: 2 Notable Moons: Phobos & Deimos Orbit Distance: 227,943,824 km (1.38 AU) Orbit Period: 686.98 Earth days (1.88 Earth years) Surface Temperature: -87 to -5 °C First Record: 2nd millennium BC R

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Facts About Mars, Mars and Earth, Mars Facts, Planet Mars, the Red Planet,

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Planet Earth: Facts About Earth

Earth is the third planet from the Sun and is the largest of the terrestrial planets. The Earth is the only planet in our solar system not to be named after a Greek or Roman deity. The Earth was formed approximately 4.54 billion years ago and is the only known planet to support life. Planet Profile Mass: 5,972,190,000,000,000 billion kg Equatorial Diameter: 12,756 km Polar Diameter: 12,714 km Equatorial Circumference: 40,030 km Known Moons: 1 Notable Moons: The Moon Orbit Distance: 149,598,262 km (1 AU) Orbit Period: 365.26 Earth days Surface Temperature: -88 to 58°C Size Of The Earth

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Earth Facts, Facts About The Earth, Planet Earth, The Earth,

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Planet Venus: Facts About Venus

Venus is the second planet from the Sun and is the second brightest object in the night sky after the Moon. Named after the Roman goddess of love and beauty, Venus is the second largest terrestrial planet and is sometimes referred to as the Earth’s sister planet due the their similar size and mass. The surface of the planet is obscured by an opaque layer of clouds made up of sulfuric acid. Planet Profile Mass: 4,867,320,000,000,000 billion kg (0.815 x Earth) Equatorial Diameter: 12,104 km Polar Diameter: 12,104 km Equatorial Circumference: 38,025 km Known Moons: none Notable Moons: none

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Facts About Venus, Planet Venus, Venus, Venus Facts,

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Planet Mercury: Facts About Mercury

Mercury is the closest planet to the Sun and due to its proximity it is not easily seen except during twilight. For every two orbits of the Sun, Mercury completes three rotations about its axis and up until 1965 it was thought that the same side of Mercury constantly faced the Sun. Thirteen times a century Mercury can be observed from the Earth passing across the face of the Sun in an event called a transit, the next will occur on the 9th May 2016. Planet Profile Mass: 330,104,000,000,000 billion kg (0.055 x Earth) Equatorial Diameter: 4,879 Polar Diameter: 4,879 Equatorial Circumferenc

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Facts About Mercury, Mercury, Mercury facts, Planet Mercury, Size Of Mercury,

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