Special planets
Sun
Day and Night
Year and Seasons
Earth climate
100
Mean distance from the sun
What is 149.6 million km
100
period of rotation
What is 23 hours,56 minutes
100
Age
What is 4.55 billion years
100
Average temperature
What is 15°
200
Radius at Equator
What is 6,378 km
200
mass
What is 2.0 x 10^30
200
period of rotation
What is about 365 days
300
Mass
What is 5.97 x 10^24 kg
300
diameter
What is 1,390,000 km
400
age
What is 4.6 billion years
500
composition
What is 74% hydrogen 24% helium 2% other element
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