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Venus is the second planet out from the Sun.
Venus is Earth's twin in size.
Visible to the naked eye
Named after Roman goddess of love and beauty
Diameter: 12,104 km.
Orbit: 225 Earth days.
Day: 241 Earth days.
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Saturn is the sixth planet out from the Sun.
Saturn is known most for its rings.
Visible to the naked eye.
Named after the Roman god of agriculture.
Diameter: 120,500 km.
Orbit: 29.5 Earth years.
Day: 10.5 Earth hours.
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Mars is the fourth planet out from the Sun.
Visible to the naked eye.
Named after the Roman god of war.
Diameter: 6,787 km.
Orbit: 687 Earth days.
Day: 24 hours, 37 minutes.
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Mercury is closest to the Sun.
Mercury is also the smallest.
Visible to the naked eye.
Named after the messenger of the Roman gods.
Diameter: 4,878 km.
Orbit: 88 Earth days.
Day: 58.6 Earth days.
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Jupiter is the fifth planet out from the Sun.
Jupiter is a gas giant the biggest planet in our solar system.
Visible to the naked eye.
Named after the ruler of the Roman gods.
Diameter: 139,822 km.
Orbit: 11.9 Earth years.
Day: 9.8 Earth hours.
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Earth is the third planet out from the Sun.
Name comes from "Die Erde," the German word for "the ground."
Diameter: 12,760 km.
Orbit: 365.24 days.
Day: 23 hours, 56 minutes.
smallest in diameter
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largest in diameter
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