A Second Class stamp http://xxxnx.fun/bacca-grill--farmers/ .rockettune.com/ According to NASA, when this exchange occurs, it can produce a slow charged particle and a fast neutral atom. While many of these neutral atoms go on their merry way, some eventually return to the inner heliosphere and collide with IBEX's imaging technique. IBEX detects where the neutral atoms came from and scientists use that data to create heliotail imagery.