Where in the Universe is Our Earth?

8 Planets revolves around one sun in our solar system. There are 200 Billion stars in the our galaxy known as the Milky Way and probably a third is like our solar system. Our solar system is located at the outer rim of the Milky Way. And there are 100 billion of such galaxy in our universe. Famous astronomer Carl Sagan once said that there must be “billions upon billions” of stars in the universe.

Carl Sagan (1934 - 1996) was an American astronomer, astrophysicist, cosmologist and science communicator. He earning his PhD in astronomy and astrophysics in 1960.

Updated On: 14.12.19