Click Here to Read: NASA scientists announce historic leap in human exploration Voyager 1 spacecraft enters interstellar space By Kevin Reed on the World Socialist Web Site on October 4, 2013.
The Space Between: This artist’s concept shows the Voyager 1 spacecraft entering the space between stars. Interstellar space is dominated by plasma, ionized gas (illustrated here as brownish haze), that was thrown off by giant stars millions of years ago. [Image credit: NASA/JPL-Caltech]