Voyager 1 spacecraft has been hit by a ‘shock wave’ from the Sun as it travels through interstellar space, according to NASA scientists. Voyager 1. Image credit: NASA. Our Sun goes through periods of increased activity, where it explosively ejects material from its surface, flinging it outward. These events, called coronal mass ejections, generate shock waves. Three such waves have reached Voyager 1 since it entered interstellar space in 2012. The...
