The visible Universe is 99.999% plasma. The Sun is about 100% plasma, as are all stars. Plasma makes up nearly 100% of the interplanetary, interstellar and intergalactic medium. The Earth’s ionosphere is plasma.
![Sun Corona](https://www.plasma-universe.com/wp-content/uploads/Sun-corona.jpg)
Know plasma, know 99.999% of the Universe (No plasma, no Universe)
The visible Universe is 99.999% plasma. The Sun is about 100% plasma, as are all stars. Plasma makes up nearly 100% of the interplanetary, interstellar and intergalactic medium. The Earth’s ionosphere is plasma.