Darkenergy

Dark energy is a form of energy thought to be responsible for the accelerated expansion of the universe. It is one of the most significant unsolved problems in physics. The exact nature of dark energy remains one of the most profound mysteries in the universe. In Hebrew, dark energy is referred to as אנרגיה חשוכה. In other languages, it is known as énergie sombre in French, dunkle Energie in German, and energia oscura in Spanish. Dark energy is estimated to account for about 68% of the total energy in the universe, with matter (both baryonic and dark matter) making up the remaining 32%. The concept was proposed to explain observations that the universe's expansion is accelerating, rather than slowing down due to gravity. This discovery was based on observations of distant supernovae in the late 1990s. The leading hypothesis for dark energy is that it is a property of space itself, associated with the cosmological constant, a constant energy density filling space homogeneously. However, the exact mechanism and nature of dark energy remain subjects of ongoing research and debate.