The Local Fluff . ... The ISM is not uniform , and shows patchiness even near our Sun . ... A working map of the local ISM within 20 light-years, based on ongoing observations and recent particle detections from the Earth-orbiting Interstellar Boundary Exporer satellite ( IBEX ), is shown above . These observations indicate that our Sun is moving through a Local Interstellar Cloud as this cloud flows outwards from the Scorpius-Centaurus Association star forming region . ...