english: Astronomers and cosmologists and physicists think that there is something called dark matter in the universe, which makes up 23 percent of the universe, and something called dark energy, which permeates the fabric of space-time, that makes up another 73 percent.
non_english: Astronomi, kosmolozi i fizičari pretpostavljaju da u univerzumu postoji i nešto što se zove tamna materija, što čini 23 procenta univerzuma, i nešto što se zove tamna energija, koja prožima sastav prostora i vremena, to čini preostalih 73 procenta