WebFeb 22, 2024 · It is also responsible for neutrino masses via the seesaw mechanism and origin of matter. The imaginary part of the complex scalar with lower B-L breaking VEV plays the role of a pseudo-Goldstone dark matter (DM). The DM particle is unstable with its lifetime naturally longer than $10^{28}$ seconds. Webdark matter, a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity. Dark matter makes up 30.1 percent of the matter-energy composition of the universe; the rest is dark energy (69.4 percent) and “ordinary” … dark matter, Nonluminous matter not directly detectable by astronomers, … gravitational lens, matter that through the bending of space in its gravitational field … dark energy, repulsive force that is the dominant component (69.4 percent) of … weakly interacting massive particle (WIMP), heavy, electromagnetically neutral … supersymmetry, in particle physics, a symmetry between fermions (subatomic … Adam Riess, in full Adam Guy Riess, (born December 16, 1969, Washington, D.C., … orbital velocity, velocity sufficient to cause a natural or artificial satellite to remain in … Coma cluster, nearest rich cluster of galaxies containing thousands of …
Dark matter Definition & Meaning Dicti…
WebNov 24, 2024 · Dark energy is a hypothetical form of energy that is proposed by physicists to explain why the universe is not just expanding but is doing so at an accelerating rate. Think of dark energy as the ... WebFeb 23, 2024 · Dark matter isn’t the same thing as dark energy. Dark energy makes up some 68% of the universe, according to the Standard Model. Dark matter is invisible; it … flagyl antibiotic for kids
The Universe
WebSep 22, 2024 · Dark matter is a mysterious non-luminous substance making up the vast majority of matter in the universe. Though experts have observed the gravitational … WebMay 4, 2024 · Scientists know that dark matter does not emit light from any part of the electro-magnetic spectrum, but dark matter has been observed to be influenced by gravity. Astrophysicists are still unsure what dark matter is, exactly. However, they know what dark matter is not, by observing the way it behaves compared to other materials. WebApr 9, 2024 · As the star passes through the dark matter, gravitational forces “stir up” the dark matter, which can transfer energy from the star to the dark matter. The result is that the orbit of the star ... flagyl antibiotic for tooth abscess