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Credit & Copyright: NASA, JPL-Caltech, Voyager  
  
  
Explanation:
Launched in 1977  
on a tour of the outer planets of the Solar System,  
Voyager 1 and 2 have become the longest operating and most distant  
spacecraft  
from Earth.  
  
Nearly 16 light-hours from the Sun, Voyager 2 has reached the edge of  
the heliosphere, the realm defined by the influence of the solar wind  
and the Sun's magnetic field.  
  
Now humanity's first  
ambassador to the Milky Way, Voyager 1 is  
over 19 light-hours away, beyond the heliosphere in  
interstellar space.  
  
Celebrate the Voyagers' 40 year journey toward the stars with  
NASA on September 5.  
  
   
Poster:  
Downloads
  
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Voyager
Publications with words: Voyager
See also:
