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Planet 1 (closest to the sun)
Mercury
Planet 2
Venus
Planet 3
Earth
Planet 4
Mars
Planet 5
Jupiter
Planet 6
Saturn
Planet 7
Uranus
Planet 8 (furthest from the sun)
Neptune
What planets are terrestrial/rocky?
Mercury, Venus, Earth and Mars
What planets are gassy?
Jupiter, Saturn, Uranus and Neptune
What is the largest planet?
Jupiter
What is the smallest planet?
Mercury
What is the coldest planet?
Neptune
What is the hottest planet?
Venus
How long does it take the earth to orbit the sun?
1 year
What is a light year?
The distance light can travel in a year
What speed does light travel at?
3Ă—108 m/s
What is an astronomical unit?
The average distance between the earth and the sun