âNovae, supernovae, or something else?â â (Super-)nova highlights from Hoffmann & Vogt are quite certainly comets (AD 668 and 891)
Neuhäuser, Ralph, Neuhäuser, Dagmar L, Chapman, JesseJournal:
Monthly Notices of the Royal Astronomical Society: Letters
DOI:
10.1093/mnrasl/slaa180
Date:
November, 2020
File:
PDF, 144 KB
2020