Tuesday, 31 March 2015

On Observation


When an astronomer looks up in his little telescope and locates a galaxy amidst the white dust, he wonders whether this galaxy existed before he decided to observe it.

A tree falls in the forest far away, away from any human or mammal, does it make noise, even when there is no one to hear it ?


Well no, it doesn't make any noise, because noise is the result of vibrations in the air coming in contact with eardrums in mammals, so for there to be noise, there must be someone to observe it.


So just like a tree falling in a forest far far away doesn’t make any noise similarly does things that no one observe, like some very distant, very faintly visible galaxy, does they exist ?
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