98 citations · 899 across the 28 of their papers we have counts for
3 papers · 1 filter
Extreme Space Weather Events Recorded in History
Hisashi Hayakawa, Yusuke Ebihara
This section shows an overview of a recent development of the studies on great space weather events in history. Its discussion starts from the Carrington event and compare its inte…
Records of sunspot and aurora activity during 581-959 CE in Chinese official histories in the periods of Suí, Táng, and the Five Dynasties and Ten Kingdoms
Harufumi Tamazawa, Akito Davis Kawamura, Hisashi Hayakawa +3
Recent studies of radioisotopes in tree rings or ice cores suggest that extreme space weather events occurred in the pre-telescope age. Observational records of naked-eye sunspots…
The earliest drawings of datable auroras and a two-tail comet from the Syriac Chronicle of Zūqnīn
Hisashi Hayakawa, Yasuyuki Mitsuma, Yasunori Fujiwara +7
People have probably been watching the sky since the beginning of human history. Observers in pre-telescopic ages recorded anomalous events and these astronomical records in the hi…