[pics] How Far Man Made Radio Emissions Have Traveled Compared To Our Galaxy [The Milky Way]

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http://www.planetary.org/image/radio_broadcasts.jpg

 

Source: This is how far human radio broadcasts have reached into the galaxy - The Planetary Society Blog | The Planetary Society

 

Note: The extent of the radio emissions is NOT the expanded/zoomed box in this picture but rather the blue do in that expanded box. That dot represents a sphere 200 light years in diameter.