An initial look at the Hubble data also suggests that the sun is passing through clumpier material in nearby space, which may affect the heliosphere,

This "clumpier" material may very well be responsible for...wait for it...global warming.

If the proggies had forced solar panels on the voyagers instead of them using RTG's they'd have stopped sending back data just past Jupiter, because they'd be dead.

An initial look at the Hubble data also suggests that the sun is passing through clumpier material in nearby space, which may affect the heliosphere,

This "clumpier" material may very well be responsible for...wait for it...global warming.

very unlikely