Question

What exactly is dark matter?

Answer 1

Answer:

Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total mass–energy density or about 2.241×10−27 kg/m3.

Answer 2

Answer:

Dark matter is something that is composed of WIMPS (Weakly Interacting Massive Particles ).

They are something created possibly due to a variation in energy or as these particles are a form of particles, either not reflective or not seeable by our eyes, so they do not reflect light, but still possess, a kind of gravitational force.