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How a Japanese poet's diary helps scientists reconstruct solar cycles

NPR | By Scott Simon

Published April 18, 2026 at 7:42 AM EDT

Researchers used a Japanese poet's diary to track solar events that took place over 800 years ago.

Copyright 2026 NPR

Scott Simon

Scott Simon is one of America's most admired writers and broadcasters. He is the host of Weekend Edition Saturday and is one of the hosts of NPR's morning news podcast Up First. He has reported from all fifty states, five continents, and ten wars, from El Salvador to Sarajevo to Afghanistan and Iraq. His books have chronicled character and characters, in war and peace, sports and art, tragedy and comedy.

See stories by Scott Simon

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