the serious it hunter is the oldest book on astronomy known to exist today it is an ancient hindu text and the exact date of it’s composition is still unknown as it’s vs were recited and passed down or lead to new generations in the waiting period according to the calculations in the book itself it’s first version much
-have been known from around two million years ago now the most astounding thing about this treatise is it’s impeccable accuracy in astronomical calculations it is the oldest book in the world which describes earth as a sphere it talks about gravity and how planets are bound to the sun by invisible attraction it describes this idea real periods of play.