Scientists Connect Sub-extreme Solar Outbursts to Tree Rings via Poetry

April 21, 2026 Universe Today

Scientists Connect Sub-extreme Solar Outbursts to Tree Rings via Poetry
By Carolyn Collins Petersen (https://ift.tt/Awojn0x)

Red aurorae seen from lower latitudes of Japan and China during the medieval period were recorded in poetry by observers of the time. These help today's scientists fix the dates of these storms and solar proton events that were recorded in buried trees. Credit: Tomohiro M. Nakayama (CC-BY-NC)

As we make our way through the latest solar maximum period, scholars and scientists are looking to similar events in the past to learn more about ancient bouts of solar activity. In particular, they want to know more about solar proton events (SPEs). These outbursts of high-energy particles get triggered by flares and coronal mass ejections.

April 22, 2026 at 02:04AM
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