The first opinion of our universe were put forward by ancient astronomers in about 2200 BC – AD 1200. The astronomers who recorded observations were from Babylon, China, India, Italy, Greece and Egypt. They didn’t used sophisticated instruments to make observations.
Check Also
सेला टनल: दुनिया की सबसे लंबी जुड़वां सुरंग
दुनिया की सबसे लंबी जुड़वां सुरंग, जिसे सेला टनल कहा जाता है, का निर्माण सीमा …