![only 5% of the universe is visible. The earth is even a small percentage. You and I are even a smaller … | Cool science facts, Space and astronomy, Fun science only 5% of the universe is visible. The earth is even a small percentage. You and I are even a smaller … | Cool science facts, Space and astronomy, Fun science](https://i.pinimg.com/originals/00/48/08/00480859d0578800e2e49b7de349a297.jpg)
only 5% of the universe is visible. The earth is even a small percentage. You and I are even a smaller … | Cool science facts, Space and astronomy, Fun science
![ATLAS Experiment on Twitter: "The vast majority of matter is in the Universe is Dark. Dark Matter does not emit or reflect light, nor has it been observed interacting with ordinary matter. ATLAS Experiment on Twitter: "The vast majority of matter is in the Universe is Dark. Dark Matter does not emit or reflect light, nor has it been observed interacting with ordinary matter.](https://pbs.twimg.com/media/EIOEvOwW4AAXHw-.jpg)
ATLAS Experiment on Twitter: "The vast majority of matter is in the Universe is Dark. Dark Matter does not emit or reflect light, nor has it been observed interacting with ordinary matter.
![cosmology - Why is the ratio dark matter / normal matter bigger today than in the past? Is it the dark matter that increased or the normal matter that decreased? - Physics Stack Exchange cosmology - Why is the ratio dark matter / normal matter bigger today than in the past? Is it the dark matter that increased or the normal matter that decreased? - Physics Stack Exchange](https://i.stack.imgur.com/KTiql.gif)