Dark Matter was fantasized to compensate the missing matter in Galaxy as they thought its not possible to sustain structure of galaxy with such low visible matter. But DM may be not required for :
1) they conveniently ignored all the dead stars such as seen in the below pic, remember just as the dead stars obscure the visible matter the bright stars obscure more of the dead stars due to glare, reflection and lens effects, specially the dead stars inside the galaxy. Now some will say its dust (just look at the sheer volume of it and ability to obscure).
How many dead stars are there anyway ? Has any one calculate its count starting from birth of our Galaxy ?
2) Gravity behaves different when the same amount of matter is scattered as opposed to concentrated form.
i.e.
a) With the below experiment.
Create a planet completely made of apples such that it generates Gravity of 1G.
Now use the same amount of total apples to create small spheres of size S such that they generate just enough G to attract and revolve around each other at max distance D. (I know this is too complicated)
Now place them in a line of length L such that each of them are at interval of distance D to the adjacent ones. Will they all effectively attract each other ?
The result,
The 1G planet will have less attraction power to one S sphere at distance L as compared to two S spheres attracting each other at distance D. For better understanding read b part below.
Thus the total matter in scattered form has more reach of Gravity to keep things together.
b) When one binary system star becomes a red Giant and other an black hole; the black hole starts to suck the matter from the Giant. We know that the G remains the same but the scattering of the giant changes things.
The same system with the same matter behaves different.
Now imagine Galaxy with its scattered matter all over. There has to be an Transference Gravity Effect instead of Dark Matter.
1) they conveniently ignored all the dead stars such as seen in the below pic, remember just as the dead stars obscure the visible matter the bright stars obscure more of the dead stars due to glare, reflection and lens effects, specially the dead stars inside the galaxy. Now some will say its dust (just look at the sheer volume of it and ability to obscure).
How many dead stars are there anyway ? Has any one calculate its count starting from birth of our Galaxy ?
2) Gravity behaves different when the same amount of matter is scattered as opposed to concentrated form.
i.e.
a) With the below experiment.
Create a planet completely made of apples such that it generates Gravity of 1G.
Now use the same amount of total apples to create small spheres of size S such that they generate just enough G to attract and revolve around each other at max distance D. (I know this is too complicated)
Now place them in a line of length L such that each of them are at interval of distance D to the adjacent ones. Will they all effectively attract each other ?
The result,
The 1G planet will have less attraction power to one S sphere at distance L as compared to two S spheres attracting each other at distance D. For better understanding read b part below.
Thus the total matter in scattered form has more reach of Gravity to keep things together.
b) When one binary system star becomes a red Giant and other an black hole; the black hole starts to suck the matter from the Giant. We know that the G remains the same but the scattering of the giant changes things.
The same system with the same matter behaves different.
Now imagine Galaxy with its scattered matter all over. There has to be an Transference Gravity Effect instead of Dark Matter.
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