The horizon of the universe is much like the horizon on Earth: it is the furthest that can be seen from a particular position. Because light has a finite speed and the universe has a finite age, we can only see objects whose light has had time to reach us since the Big Bang, so that the observable universe can be thought of as a bubble centered on the Earth. Artwork was created in virtual reality software Gravity Sketch and stylised using DeepStyle. + Premiere for editing/exporting. WebM. 1920 x 1080 pix.