why do we see light particles and not the dark one

1 answer

We perceive light particles because they are the ones that interact with our visual system. Photons, which are particles of light, are able to stimulate the receptors in our eyes called cones and rods. These receptors then send signals to the brain, which interprets the signals as visual information.

On the other hand, dark particles, also known as dark matter, do not interact with light in the same way. Dark matter primarily interacts with gravity and does not emit, absorb, or reflect light. Therefore, we do not directly perceive dark matter particles with our visual system. They are only inferred based on their gravitational effects on visible matter and light.