2024-03-23 17:19:14
Dark matter was created as a protector to protect theory from observational results.
Dark matter was born as a protective agent to protect theory from observational results / Credit:Canva. Nazology Editorial Department
Dark matter is defined as “invisible matter” that does not interact with normal matter, light, electricity, magnetism, etc., and is related only to gravity.
For example, even if dark matter is placed at the coordinates of normal water molecules, they can coexist without pushing each other because they do not interact with each other.
Furthermore, since it does not interact with light or electromagnetic force and only follows gravity, a gravity detection device is required to directly measure it.
One of the reasons why the existence of such “invisible matter” began to be rumored was due to measurements of the rotational speed of stars in galaxies.
Stars in galaxies, like the planets in our solar system, orbit faster at the center and slower at the outer edge.
However, detailed measurements of the orbiting speeds of stars revealed that the orbiting speeds of stars on the outer edge of the galaxy are much faster than predicted by theory.
It was also discovered that a lens called a gravitational lens, which utilizes the bending of space caused by celestial bodies, is more powerful than theoretically predicted.
Dark matter has come to be used to fill the gap between theory and observational results.
By adding the existence of unobservable dark matter, the existing theory worked really smoothly.
In a sense, dark matter can be said to have functioned as a protective agent to protect existing cosmology from the “violence of observational results.”
If we can confirm the existence of dark matter, everything will fall into place.
However, all attempts to detect dark matter continued to fail.
Even if humans tried every method imaginable, no trace of it could be found.
Further challenges to existing cosmology continued.
Recent observations by the James Webb Space Telescope (JWST) have discovered galaxies with structures and shapes that should not exist according to existing cosmology.
This is because existing cosmology holds that it takes billions of years for the observed galaxies to assume their structure and shape.
Now that we’ve discovered a billion-year-old galaxy in a billion-year-old universe, it’s going to be even more difficult to get away with it.
(*Similarly, in existing cosmology, “galaxies that should not exist” are being discovered one after another.)
Therefore, in recent years, there has been a gradual increase in attempts to abandon dark matter as a protector of existing cosmology and to explore new cosmologies that do not rely on dark matter.
For example, a paper published on January 8, 2024 suggests that by observing binary stars orbiting very far apart, Newtonian mechanics and Einstein’s theory of gravity, which are the foundations of existing cosmology, may be wrong. gender was shown.
Instead, the study proposed a new “Modified Newtonian Dynamics (MOND)” and showed that MOND can predict the motion of binary stars without the help of dark matter.
(*This MOND shows that the minute gravity acting over long distances is higher than the theoretical value)
A binary star has been discovered that violates Newton and Einstein’s theory of gravity!
However, a new theory proposed by researchers at the University of Ottawa takes a different approach.
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