The secular decline continued to 2018 at a varying rate.

Suggestive0

What it bears on 1 answer

A large, diffuse amount of circumstellar dust, more extended than the clumps that make the dips.

Most likely

FOR

Cite it

Mysteries Department. (2026). The secular decline continued to 2018 at a varying rate. [Evidence EVD0D8E7FGM0BJM]. https://mysteriesdept.com/r/EVD0D8E7FGM0BJM

@misc{mysteriesdept_evd0d8e7fgm0bjm,
  title     = {The secular decline continued to 2018 at a varying rate.},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Evidence, catalog key EVD0D8E7FGM0BJM},
  url       = {https://mysteriesdept.com/r/EVD0D8E7FGM0BJM}
}