Another explanation for dark energy is that it is a new kind of dynamical energy fluid or field, something that fills all of space but something whose effect on the expansion of the universe is the opposite of that of matter and normal energy. read more
The source of the term "Dark Energy" is cosmologist Michael Turner. [1] The reason both Dark Energy and Dark Matter have the label "Dark" in them is because they are apparently uncharged and therefore do not interact with light. read more
Using baryon acoustic oscillations, it is possible to investigate the effect of dark energy in the history of the Universe, and constrain parameters of the equation of state of dark energy. To that end, several models have been proposed. read more