On 2025-Feb-21, published an article “Fossil witnesses of a wild sun” highlighting that more than 14 thousand years ago, there was a solar storm so big that trees still remember it.
On 2025-Feb-21, published an article “Fossil witnesses of a wild sun” highlighting that more than 14 thousand years ago, there was a solar storm so big that trees still remember it. A comment by a KIS scientist, Gregory Fleishman, is quoted in this article (behind a paywall):
https://www.faz.net/aktuell/wissen/weltraum/an-ende-der-letzten-eiszeit-wurde-die-erde-vom-staerksten-bisher-bekannten-sonnensturm-getroffen-110540796.html