A Quote by Sir Martin Rees, Astronomer Royal of Great Britain



Telescopes are in some ways like time machines...
They reveal galaxies so far away that their light has taken billions of years to reach us. We in astronomy have an advantage in studying the universe, in that we can actually see the past. We owe our existence to stars, because they make the atoms of which we are formed. So if you are romantic you can say we are literally starstuff. If you're less romantic you can say we're the nuclear waste from the fuel that makes stars shine. We've made so many advances in our understanding. A few centuries ago, the pioneer navigators learnt the size and shape of our Earth, and the layout of the continents. We are now just learning the dimensions and ingredients of our entire cosmoc, and can at last make some sense of our cosmic habitat.



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Wednesday, September 29, 2010

Chances of life on an Earth size planet

An Earth-size planet(Gliese 581g) has been spotted orbiting a nearby star at a distance that would makes it not too hot and not too cold- just good enough for life to exist. Though there are 400 other planets that might have a life sustaining capability, scientists say, Gliese stands a very high chance.

Below is an artists illustration of how the planet might appear.
 

Few of the scientists almost think there is a 100% chance of life on this planet. Cool haan!


Courtesy: space.com

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