Published On: Wed, Oct 4th, 2017

The Nature Of Dark Energy Is Dynamical, A New Study Suggests

Universe is expanding due to the presence of dark energy.

Scientists discovered that the Universe is expanding and it’s not slowing down, rather speeding up. This is because it is propelled by the so-called “dark energy,” which is the form of energy that comprises almost three-fourths of the Universe. A new study suggests that the nature of dark energy is dynamical and its contribution to the expansion of the Universe is time-dependent. This, however, does not conform to the cosmological constant introduced by Albert Einstein about a century ago.

Space reports that the Einstein’s cosmological constant reflects that empty space could have its own energy. This means that the constant suggests that as more space occurs, the more energy would be contributed to the Universe resulting to its expansion.

In addition, in Lambda-Cold Dark Matter (LCDM) model, dark energy is fundamentally the cosmological constant (i.e. the vacuum energy, represented by a constant Equation of State (EoS) of -1). This model implies that dark energy has no dynamical features.

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The Nature Of Dark Energy Is Dynamical, A New Study Suggests