There are many theories for how dark matter (and dark energy) are created. A nice summary of those processes,…
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Why is Dark Matter a Required Gravitational Component of Galaxies?
For most galaxies the mass density that we can measure due to its brightness decreases as one moves from…

Why Does Dark Energy Dominate Outside Galaxies While Dark Matter is the Winner Inside Galaxies?
The reason that Dark Matter plays a larger role in the motions of objects within galaxies while Dark Energy…
Can the Gravitational Affects Due to Dark Matter be Felt By a Spacecraft at the Langrange Points?
Question: Would it be possible to detect dark matter near the earth by sending out a space craft to…
Is Dark Matter Flattened by Gravity and Rotation?
Question: When gravity and rotating motion get together they usually result in a flattened disc. For example, the spiral…
Where in the Sky is the Dark Matter Galaxy Dragonfly 44 Located?
Question: Sir What is the sky position of the new ultra diffuse galaxy Dragonfly 44 that is supposedly made…