Feb 16

Are we alone in this universe?

Posted in: Mysteries, Random Thoughts

More I read & think about the evolution of universe, more my belief is firmed that earth is not the only living planet.

Now here are some interesting numbers (reference ‘COSMOS’, by Carl Sagan):

There are some hundred billion (1011) galaxies, each with on an average having hundred billion stars. In all the galaxies there are perhaps as many planets as the stars, i.e. 1011 x 1011 = 1022, ten billion trillion.

Considering these numbers, it is very unlikely that earth is the only planet inhabited by life.But lets face it that we have not yet discovered life else where, and I have serious doubt about the truth of people sighting UFOs and aliens.

Assuming that earth is the only living planet we must consider overselves very fortunate, or at least consider ourselves fortunate till we find any other planet having life or capable of sustaing life.

I wonder how shall we, human, react if any such planet is discovered. Should we rush for the bookings, blocking the land???

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  • The law of averages means that we must assume that we are NOT the only life to exist in the known universe. However, the vast lengths of time into which the universe stretches and the fact that our own evolution and existence as a species represents only the tiniest fraction of the total time for which the universe has existed, forces us to consider the possibility that in this short span of time we might be the only living things around... this doesn't mean that others didn't exist or won't exist in the future; just that they aren't around right now... As for intelligent life... if we are possible then other examples are possible too... however the probability that their evolution and development coincides with ours is a very remote possibility... Also, if, as far-fetched it sounds, there are intelligent beings at the same or higher level of tech as us, it still seems unlikely that they would be shouting through space in the specific frequencies that we search and the small parts of space that we search and at the time when we are searching them... our chances of finding them seem pretty lousy... forgive my pessimism (though i like to think of it as realism)
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