Image description: A view of interstellar space, showing the void. Image credit IA.
A place where there is nothing at all? That sounds strange, but in reality, perfect emptiness doesn’t exist. The universe is always filled with something, even in places where it seems like there’s nothing!
When we talk about "void," we often imagine a space without air, without objects, where there is really nothing. But even in space where there is no air, there are still atoms, tiny particles, or even waves moving around. That’s why complete emptiness doesn’t exist.
In the universe, even the space between stars is not completely empty. There are always particles, such as atoms or photons (tiny particles of light), moving through this space. Sometimes, there are also very rare gases or radiation coming from the stars.
The void becomes even stranger when we talk about quantum physics. Even if we try to remove all particles from a space, there is still energy, and particles can appear and disappear very quickly. This phenomenon is called "quantum fluctuations." This means that even at a very small scale, there is always something, even in the void!
Understanding that emptiness doesn’t really exist helps us better understand the universe and how it works. Scientists learn a lot by studying these tiny particles and the energy that exists even in what we call "the void." It might even help us discover new technologies in the future!
In summary, perfect emptiness, where there is really nothing at all, does not exist. The universe is always filled with something, whether it’s particles, energy, or waves. Even where it seems like there’s nothing, there’s always some form of presence.