Solar-particle dip hints at Voyager's exit from solar system
Friday, August 10, 2012 - 17:30
in Astronomy & Space
Scientists who have for years been closely following Voyager 1's slow drift into the interstellar region of the Milky Way had a false alarm last month when the 35-year-old spacecraft measured a drop in solar particles that they were sure was a sign it had finally exited our solar system.