09 October 2012

Earth - Our Home



Earth : our home


Earth is the third planet from the Sun and largest of the terrestrial planets. Suprisingly, while it is only the fifth largest planet in terms of size and mass. Regarding its name, Earth is the only planet not named after a mythological being. Instead, its name is derived from the Old English word "ertha," which means ground.
Number of Moons: 1
Rings: No
Time it takes light to reach Earth from the Sun:
8 minutes 17 seconds

Length of Day:
23 hours 56 minutes
Length of Year:
365.26 days


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