Variable Stars
So, what are variable stars? In simple words, a star whose brightness changes is called variable star. This variation may be caused by a c...
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Are we alone? Hm... I think the answer is most probably no. First lets see why we are here? We are here in our home planet Earth which ...
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So lets talk about the birth of our universe. How was it formed? By Big-bang. Now what is this Big-bang? Why it happened? How it happened? ...
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What are black holes? How are they formed? Let's see. Black holes are specific regions in spacetime with extremely intense gravitati...
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