Our Universe
The origin of things has always been a central concern for humanity; the origin of the stones, the animals, the plants, the planets, the stars and we ourselves.
- The Big Bang theory explains the origin of our universe. According to this theory, 15 billion years ago, cosmic matter was in a compressed state from which expansion started by a primordial explosion.
- The super-dense ball broke to form galaxies, which again broke to form stars and finally stars broke to form planets including Earth.
The Discovery of Galaxy
- One of the first consistent conceptions of the nature of the galaxy – and ....