Dark energy "springs into existence" continuously. The density of dark energy between objects remains the same even though the distances between the (unbound) objects is get larger. That's the sense in which it "springs into existence".Ken Lehn said:Summary: Was all dark energy "born" at the moment of the Big Bang? Or does it "spring" into existence continually?
Was all dark energy "born" at the moment of the Big Bang? Or does it "spring" into existence continually?
It is still plausible that dark energy is identical with the Cosmological Constant. The CC is thought to be an intrinsic property of vacuum. People often talk about vacuum energy density. As such it exists as long as the universe exists and its density is constant over time. In other words it doesn't get diluted like matter does if the universe expands.Ken Lehn said:Was all dark energy "born" at the moment of the Big Bang? Or does it "spring" into existence continually?
Dark energy is a theoretical form of energy that is believed to make up about 70% of the total energy in the universe. It is thought to be responsible for the observed acceleration of the expansion of the universe.
Dark energy and dark matter are two separate and distinct concepts. Dark matter is a type of matter that does not emit or absorb light, but can be detected through its gravitational effects. Dark energy, on the other hand, is a form of energy that is thought to be responsible for the observed acceleration of the expansion of the universe.
The existence of dark energy is supported by various observations and experiments, including the measurement of the cosmic microwave background radiation, the observed acceleration of the expansion of the universe, and the observed gravitational lensing of distant galaxies.
Dark energy is thought to have a repulsive effect on matter, causing the expansion of the universe to accelerate. This means that the distance between galaxies is increasing at an ever-increasing rate.
At this point, there is no known way to harness dark energy for practical use. Its effects are only observed on a cosmic scale and are not yet fully understood. However, ongoing research and experiments may lead to potential applications in the future.