What Is Dark Matter? ☻☯🏴‍☠️🐈‍⬛

One of the most heated debates of the century!
Michio Kaku is an American theoretical physicist, futurist, and popularizer of science.
https://mkaku.org/.
http://www.theprinciplemovie.com/
https://www.youtube.com/c/ThePrincipleMovie/about.

Everyone knows that the ancient idea of Earth in the center of the universe is a ridiculous holdover from a superstitious age, right? Modern science has proven that we are nothing special! We inhabit, in Carl Sagan’s words, “....an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.”
Well....prepare to be shocked!

Dark matter is a hypothetical form of matter thought to account for approximately 85% of the matter in the universe. Various astrophysical observations — including gravitational effects that accepted theories of gravity cannot explain unless more matter is present than can be seen — imply dark matter's presence. For this reason, most experts think that dark matter is abundant in the universe and has had a strong influence on its structure and evolution. Dark matter 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 (like light) and is, therefore, difficult to detect.

The primary evidence for dark matter comes from calculations showing that many galaxies would fly apart, that they would not have formed, or that they would not move as they do if they did not contain a large amount of unseen matter. Other lines of evidence include observations in 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 and energy, 27% dark matter, and 68% of a form of energy known as dark energy.Thus, dark matter constitutes 85% of the total mass/energy, while dark energy and dark matter constitute 95% of the total mass-energy content. Because no one has directly observed dark matter yet – assuming it exists – it must barely interact with ordinary baryonic matter and radiation except through gravity.

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