thenexttodie
New Member
leroy said:if we define dark matter as, a source of gravity that cant be observed there are at least 2 independent lines of evidence that prove the existence of dark matter
1 there is not enough regular matter for keep the galaxies spinning
In rotating galaxies, distribution of normal matter precisely determines gravitational acceleration
http://thedaily.case.edu/rotating-g...cisely-determines-gravitational-acceleration/
leroy said:2 gravitation lenses, we do see a distortion of space that is not caused by observed matter.
Bending of Light Near a Star and Gravitational Red/Blue Shift : Alternative Explanation Based on Refraction of Light
https://arxiv.org/ftp/physics/papers/0409/0409124.pdf