Anil mahla

14/09/2020

14/06/2018

07/08/2017

10/08/2012

wishing a very prospers krishna janmastmi to all facebook users

25/06/2012

ScienceAlert
What exactly is a black hole? Technically they're regions so dense not even light can escape - but how do we know they exist and why are they so important?

An expert explains everything you've ever wanted to know about black holes: http://bit.ly/L7l7YD

This simulated image shows a large black hole with the beautiful Milky Way in the backgroun

What exactly is a black hole? How do we know they exist and why are they so important? Robert Braun explains everything you need to know.

18/04/2012

'happy world harritage day'
let determine to save and value our harritage....!