Monday, August 30, 2010

The Universe we live in

There was a fascinating documentary on the Discovery Channel over the weekend on the birth and death of stars and the universe. When we think we know it all something new comes on the horizon. What a vast and complex universe we live in. Some of these stars are manifolds bigger than our sun. Humans have a life span of a few decades compared to these stars which have been around for billions of years and maybe there are billions and trillions years more before some die and even the universe may die.

Our solar system is the same way. The sun may die someday and with its death will die all the planets surrounding it including earth. But don’t worry, it will be billions of years before that happens. However, humans are capable of ending life on our planet earth long before that. Every time a big star dies it could lead to new solar systems and life. Fascinating. For me the mystery of life thickens.
You can watch some of these videos here.

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