Space is not as empty as it seems. It conceals a secret structure called spacetime - an invisible field that governs our lives and controls the universe. This strange four-dimensional substances will also determine how our universe will end. <br /><br />Thanks for watching. Follow for more videos. <br />#cosmosspacescience <br />#howtheuniverseworks <br />#howtheuniverseworksseason6 <br />#episode10 <br />#spacetime <br />#mysteryofspacetime <br />#spacescience <br />#cosmology <br />#astronomy <br />#nasa <br />#astrophysics <br />#space <br /><br />
