Exploring the Planets

Earth Facts

Mean distance from Sun: 1 AU
(149,600,000 km/ 92,960,000 mi)
Diameter: 12,756 km (7,926 mi)
Length of year: 365.26 days
Rotation period: 23.93 hours
Mean orbital velocity: 29.79 km/sec (18.6 mi/sec)
Inclination of axis: 23.45°
Average temperature: 59° F (15° C)
Number of observed satellites: 1

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