Nature of universe

Aurora Borealis Aurora borealis is a natural light extravaganza in the Earth’s atmosphere, mostly occurring in high-altitude regions in the Arctic. In the Antarctic area, it is called Aurora Australis. Auroras create surreal and dynamic patterns of dazzling lights that appear as spirals, curtains, flickers, or rays that consume the whole sky. The term “aurora” […]

The Big bang theory Big Bang Theory is about the origin of Universe. It suggests that about 1370 crore (13.7 billion) years ago, all matter and energy in the universe was concentrated into an area smaller than an atom. At this instant, matter, energy, space and time were not existent. It is also called expanding universe