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9 March 2008

I used to look up in the sky on cold, clear winter nights in northern Canada and marvel at the quantity of stars in the sky. I used to think there must be other living being somewhere in the universe.

It’s hard to see the sky at all these days. But astronomers say our milky way is approximately 100,000 light years in diameter with between 200, 400 billion stars in it. A light year is 9,460,730,472,580.8 km.

There are billions of galaxies out there spread over billions of light years. Isn’t it ridiculous (even according to modern science) to think that our little earth planet has the only life in the universe?