Dark Energy

Dark energy

In physical cosmology and astronomy, dark energy is a proposed form of energy that affects the universe on its largest scales. Its primary effect is to drive the accelerating expansion of the universe. It also slows the rate of structure formation. Assuming that the lambda-CDM model of cosmology is correct, dark energy dominates the universe, contributing 68% of the total mass-energy in the present-day observable universe while dark matter and ordinary (baryonic) matter contribute 27% and 5%, respectively, and other components such as neutrinos and photons are nearly negligible. Dark energy's density is very low: 7×10−30 g/cm3, much lower than the density of ordinary matter or dark matter within galaxies. However, it dominates the universe's mass–energy content because it is uniform across space.

Dark Energy (album)

Dark Energy is the debut album by American electronic music producer Jlin, released in 2015 by Planet Mu. It received acclaim from critics and was named the best album of 2015 by The Quietus and The Wire.

Energy

Energy is the quantitative property that is transferred to a body or to a physical system, recognizable in the capacity to do work and in the form of heat and light. Energy is a conserved quantity – the law of conservation of energy states that the total energy of an isolated system remains constant, although it can be converted in form. The unit of measurement for energy in the International System of Units (SI) is the joule (J).

Darkness

Darkness is the condition resulting from a lack of illumination, or an absence of visible light.

dark energy

Noun

1. A hypothetical form of energy thought to be spread uniformly throughout space (and time) and to have anti-gravitational properties: it represents a possible mechanism for the cosmological constant, and thus is one of the possible explanations for the current accelerating rate of expansion of the universe; and it is estimated to account for about 74% of the mass-energy of the universe.