Planet earth has a circumferance of 40,075,017 kms at
equator.
The moon which is a natural satellite of the earth is
384,400 kms from the earth.
Planet earth is the third planet from the sun and is
149,600,000 kms from the Sun or simply about 8 light minutes.
The solar system has 9 planets, mercury, venus,
earth, mars, Jupiter, saturn, uranus, neptune and pluto.
Well how big is the solar system?
The Scientists are themselves divided in their
opinion about this.
Some
say that it is 9 billion kms, while some say it is 27 billion kilometers and
some say that it is roughly 4 light year or 40 trillion kms. 
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