I recently posted findings from a cross-analysis of Cassini RPWS data and INTERMAGNET ground magnetometer stations https://old.reddit.com/r/Cassini/comments/1rn7v9e/statistical_anomalies_in_cassini_radio_data_and/. The short version: Saturn's radio output follows a Monday-loud/Friday-quiet 7-day cycle. The week is a human invention. H = 21,339 across 363K records, p ≈ 0. Earth's geomagnetic activity follows the same week, inverted. Three independent stations. Saturn's quiet periods predict Ea...