Arecibo drift scans near the hydrogen line find faint narrowband signals from small cold hydrogen clouds

Mysteries Department. (2026). Arecibo drift scans near the hydrogen line find faint narrowband signals from small cold hydrogen clouds [Event EVT0CXZ4NCJ6P59]. https://mysteriesdept.com/r/EVT0CXZ4NCJ6P59

@misc{mysteriesdept_evt0cxz4ncj6p59,
  title     = {Arecibo drift scans near the hydrogen line find faint narrowband signals from small cold hydrogen clouds},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Event, catalog key EVT0CXZ4NCJ6P59},
  url       = {https://mysteriesdept.com/r/EVT0CXZ4NCJ6P59}
}