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Dark matter is a hypothetical form of matter thought to be the predominant type of matter in the universe. It is called "dark" because it does not appear to interact with the electromagnetic field, which means it does not absorb, reflect, or emit electromagnetic radiation and is, therefore, difficult to detect. Its existence is implied by various astrophysical observations which cannot be explained by General Relativity unless more matter is present than can be seen. Evidence for dark matter comes from many different angles, such as galaxy dynamics and formation, gravitational lensing, and the cosmic microwave background, along with astronomical observations of the observable universe's current structure, the formation and evolution of galaxies, mass location during galactic collisions, and the motion of galaxies within galaxy clusters. In the standard Lambda-CDM model of cosmology, the total mass–energy content of the universe contains 5% ordinary matter, 26.8% dark matter, and 68.2% of a form of energy known as dark energy. Thus, dark matter constitutes 85% of the total mass, while dark energy and dark matter constitute 95% of the total mass–energy content.Dark matter's exact identity remains a mystery. It is not known to interact with ordinary baryonic matter and radiation except through gravity, making it difficult to detect in the laboratory. The leading explanation is that dark matter is some as-yet-undiscovered subatomic particle, such as weakly interacting massive particles (WIMPs) or axions. The other main possibility is that dark matter is composed of primordial black holes. Many experiments to detect and study dark matter particles directly are being actively undertaken, but none have yet succeeded. Dark matter is classified as "cold", "warm", or "hot" according to its velocity (more precisely, its free streaming length). Recent models favored a cold dark matter scenario, in which structures emerge by the gradual accumulation of particles, but after a half century of fruitless dark matter particle searches, more recent gravitational wave and James Webb Space Telescope observations have considerably strengthened the case for primordial and direct collapse black holes.Although the astrophysics community generally accepts dark matter's existence, a minority of astrophysicists, intrigued by specific observations that are not well-explained by ordinary dark matter, argue for various modifications of the standard laws of general relativity. These include modified Newtonian dynamics, tensor–vector–scalar gravity, or entropic gravity. So far none of the proposed modified gravity theories can successfully describe every piece of observational evidence at the same time, suggesting that even if gravity has to be modified, some form of dark matter will still be required.
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Albums by Dark MatterSort:By AlbumA - Z
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Song | Duration |
---|---|
Call Me | 3:37 |
Suck My Dick | 3:12 |
D-M-S | 1:56 |
Stay the Night | 3:36 |
IDK?! | 2:34 |
Backwoods (feat. OhOk & Itssmokeybih) | 3:38 |
Think of the Children | 3:59 |
Into the Woods | 2:24 |
Grint met water erboven | 4:06 |
BAD KID! | 2:51 |
Felon | 2:35 |
Long Way Round | 2:37 |
Binge | 3:19 |
Cyan | 2:47 |
Parasite Culture | 2:50 |
DNA | 4:00 |
On the Way (feat. OhOk) | 2:48 |
Soul Sick | 4:01 |
Above | |
Bladerunner | 4:06 |
I don't know | |
Overdose | 2:24 |
Claustrophobia | 2:56 |
Parastie Culture | 2:50 |
CUP | |
Love Me | |
Sober | |
#VAX | |
Real Me |
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