I always have a doubt on gravity , why does gravity exists ? is there any scientific explanation on gravity ? I know that Gravity exists , i can feel it. But Who is creating all these rules ? ...
Did big bang create gravity? What role gravity is assumed to have played in the formation (starting from the big bang) of large structures of our universe and what other important physical mechanisms ...
If all matter was concentrated at one point before the big bang, I assume that the gravity was at a huge scale. For a long time many believed that the universe would eventually collapse back upon ...