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90 sats \ 0 replies \ @SimpleStacker 17h \ parent \ on: NASA's Voyager Found A 30k-50k Kelvin "Wall" At The Edge Of Our Solar System science
Vacuum technically doesn't have a temperature. What the spacecraft likely measured was a highly energetic particle but it doesn't mean it was passing through a volume full of such energetic particles. Thus calling it a "wall" seems a bit weird and misleading