Kilonova is a rare astronomical event that occurs when two neutron stars or a neutron star and a black hole collide and merge. This collision results in a powerful explosion that releases a large amount of energy, producing a bright burst of light and intense radiation. Kilonovae are considered to be some of the brightest events in the universe and are believed to play a key role in the production of heavy elements such as gold and platinum. Studying kilonovae can provide valuable insights into the processes that occur during neutron star mergers and help astronomers better understand the origins of elements in the universe.