This weekend, NASA is set to launch a new astrophysics mission called SPHEREx, which aims to investigate the origins of the universe.The launch will take place at Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Base in California.In addition to SPHEREx, the rocket will also carry a set of four small spacecraft called PUNCH to study the sun.The launch can be watched on NASA's YouTube page or by attending the virtual event.