NDA & CDS 1 2026 Exam GK – Universe & Evolution Theories
The Big Bang theory (approx. 13.8 billion years ago) is the leading model for the universe’s origin, proposing a rapid expansion from an extremely hot, dense, tiny point. Over billions of years, this expansion cooled the universe, allowing atoms to form, leading to stars, galaxies, and complex structures held by gravity. NDA & CDS 1 … Read more