What is use dark energy?

Dark Energy, Dark Matter In the early 1990s, one thing was fairly certain about the expansion of the universe. It might have enough energy density to stop its expansion and recollapse, it might have so little energy density that it would never stop expanding, but gravity was certain to slow the expansion as time went on. read more

According to scientists, most of the universe is made up of dark energy. They believe that Dark Energy is responsible for the expansion of the universe. Normal matter including galaxies, stars, comets, planets, etc could form only 5% of the universe, whereas 95% of the universe is only filled with dark matter. read more

In physical cosmology and astronomy, dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe. Dark energy is the most accepted hypothesis to explain the observations since the 1990s indicating that the universe is expanding at an accelerating rate. read more