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August 25 marks 11 years since the mission.

This is a good read by Edward C. Stone

Um, 11 years ago would be 2012. The Voyager missions launched in 1977.

<https://en.wikipedia.org/wiki/Voyager_program>

And the article you're linking appears to have been published in 2008 based on <https://nap.nationalacademies.org/read/12675/chapter/24>:

Specifically: Edward C. Stone, "Voyager’s Journey to the Edge of Interstellar Space", Laboratory for Atmospheric and Space Physics, University of Colorado at Boulder, Boulder, Colorado. April 14, 2008.

Edward C. Stone, Professor of Physics, Caltech; Voyager Project Scientist, JPL National Academies of Sciences, Engineering, and Medicine. 2010. Forging the Future of Space Science: The Next 50 Years. Washington, DC: The National Academies Press. https://doi.org/10.17226/12675.

The submission title also doesn't seem to match the article's title, noted above.

How do you arrive at 11 years ago, and what specific mission or mission-element are you referencing?

I think it would be interesting to see an image of the night sky that shows the heliospheres of the stars, rather than just the pinpricks of visible light. From the distance of the Voyagers, our sun looks like pretty much all the rest of the stars in the sky, except that its heliosphere is massive - apparently 14 trillion suns could fit into it. Same for gravitational effects - at the scale of space, it's amazing how a single point of light can have such a huge effect on the space around it.
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