What is the word that scientist use to describe space all on the energy and matter in it?

Answer: Hello There!...............
The universe is all of space and the matter in it which includes galaxies that includes clusters and super clusters. It also has areas with very little matter called voids.
Explanation:
Mark me brainest please. Hope this helps. Anna ♥
Answer :
Universe is the word that scientists use to describe space and all of the energy and matter in it.