Wednesday, November 21, 2012

WORLD VIEW

THE THIRD LARGEST PLANET


Earth is the third planet from the Sun.
Earth formed approximately 4.54 billion years ago, and 
life appeared on its surface within one billion years. 
We have got many species living in our planet including humans,
humans are the dominating species on earth 
we do not know much about other planets.  
Scientist are still researching about them