Explain Dark Energy :--
Answers
Dark energy is a force that accounts for the expanding universe. Its explains how groups of objects function together. Its a unknown form of energy which is hypothesized to permeate all of space and tending to accelerate the expansion of the universe.
The rest of the universe appears to be made of a mysterious, invisible substance called dark matter.
Its causing the universe to expand faster as it ages. And they calculated that this energyconstitutes about 70 percent of all the matter and energy in the universe.
Since space is everywhere and this dark energy force is everywhere, and its effects increase as space expands.
Dark energy was discovered in 1998 with this method by two international teams that included American astronomers Adam Riess and Saul Perlmutterand Australian astronomer Brian Schmidt.
Answer:
Force that repels gravity known as dark energy .
Galaxies which possess gravity to cause the centers to rotate faster than the outer edges, based on the distribution of the objects inside of them.
Dark energy may have its own particle, although there is little evidence of one.
We cannot see it but can experience its effect.