a vacuum
Yes, gas can exist in space. The interstellar medium, which fills the vast majority of space, consists of gas and dust particles. Stars are also made up of gases like hydrogen and helium. However, since space is a vacuum, these gas particles are very spread out compared to the atmosphere on Earth.
:Whilest "space" is but a vaccuum, there are still trace amounts of gas particles in the vast emptiness of that which we call "space." Take nebulae for instance, they are but giant collections of plasma particles, which are but a combination of gas and liquid. The accretion disks around black holes are made of plasma and gas as well. So in short, yes, there are particles of gas in space.
In a gas, the space between gas particles is largely empty. The particles are far apart compared to their size, with a lot of space between them. This allows gas particles to move freely and independently of one another.
Particles are spread out to the maximum of the space available.
The amount of space that gas particles can take up is the size of the container, but the amount between them also is determined by the amount of space the gas takes up.
In the gas form, elements do not have a fixed shape or volume because they fill the space they are in. Additionally, they do not exhibit a definite shape or arrangement of particles like solids or liquids. Gas particles are in constant, random motion and have higher kinetic energy compared to particles in solid or liquid forms.
empty space
Individual atoms and molecules also exist in outer space, as a kind of very thin gas. Space is not a perfect vacuum. There are also sub-atomic particles, such as cosmic rays, in space.
Space that has no matter is called a vacuum. It is characterized by the absence of particles, such as gas molecules and atoms, and is devoid of any substance. Vacuums exist in outer space and are created artificially in vacuum chambers on Earth.
When the number of gas particles at constant pressure increases, the volume of the gas will increase due to the additional collisions between the gas particles and the walls of the container. This causes the gas to take up more space to accommodate the increased number of particles.
A large cloud of dust and gas in space where stars are formed is called a nebula. Within a nebula, gravity causes particles to clump together, eventually forming into newborn stars. These regions are often rich in hydrogen and helium, the building blocks of stars.
Gas can be compressed because the particles are far apart and have enough space to move into, solid and liquids particles have no space to move into! Hope this helps!