According to a new study published today online in the Geophysical Research Letters, NASA’s Voyager 1 spacecraft appears to have exited the heliosphere. Voyager 1 spacecraft (NASA) The heliosphere is a region of space dominated by the Sun and its wind of energetic particles, and which is thought to be enclosed, bubble-like, in the surrounding interstellar medium of gas and dust that pervades the Milky Way Galaxy. In 2012, Voyager 1 measured...
