Missing matter in deep space refers to the large amount of matter that scientists believe should exist in the universe but has not yet been detected or observed. This matter is often referred to as "dark matter" or "missing mass."
Scientists have discovered missing matter in deep space through a variety of methods, including studying the rotation of galaxies, observing the bending of light from distant objects, and analyzing the cosmic microwave background radiation.
Missing matter is important because it makes up a significant portion of the universe's total mass and energy. Understanding its properties and distribution can help us better understand the formation and evolution of the universe.
Dark matter is different from normal matter in that it does not interact with light, making it invisible to traditional telescopes. It also does not emit any form of electromagnetic radiation, so it cannot be detected through traditional observational methods.
There are several theories about the nature of missing matter, including the possibility that it is made up of exotic particles that have not yet been discovered, or that our understanding of gravity is incomplete and needs to be modified to explain the behavior of missing matter.