Conceptual representation of the opening to a wormhole moving through a nebula. A wormhole (or Einstein-Rosen bridge) is a theoretical 'tunnel' through spacetime, allowed by the theory of general relativity. In principle, a wormhole connects two regi...

Conceptual animation of the opening to a wormhole moving through a nebula. A wormhole (or Einstein-Rosen bridge) is a theoretical 'tunnel' through spacetime, allowed by the theory of general relativity. In principle, a wormhole connects two regions i...

Conceptual representation of the opening to a wormhole moving through a nebula. A wormhole (or Einstein-Rosen bridge) is a theoretical 'tunnel' through spacetime, allowed by the theory of general relativity. In principle, a wormhole connects two regi...

Conceptual animation of the opening to a wormhole moving through a nebula. A wormhole (or Einstein-Rosen bridge) is a theoretical 'tunnel' through spacetime, allowed by the theory of general relativity. In principle, a wormhole connects two regions i...

... d concentrated in the blue part of the optical spectrum. Nobody is entirely sure what causes these events but they may be an exotic type of supernova. The image here represents an FBOT that was found in intergalactic space, not within a galaxy. Two n ...

... d concentrated in the blue part of the optical spectrum. Nobody is entirely sure what causes these events but they may be an exotic type of supernova. The image here represents an FBOT that was found in intergalactic space, not within a galaxy. Two n ...