Manuel Peimbert Manuel Peimbert Manuel Peimbert Sierra (born June 9, 1941) is a Mexican astronomer and a faculty member at the National Autonomous University of Mexico (UNAM). After earning an undergraduate physics degree from UNAM, Peimbert completed a doctorate at the University of California, Berkeley before returning to UNAM as a faculty member. He works at the UNAM Institute of Astronomy. Peimbert was elected a foreign associate of the National Academy of Sciences in 1987. He was inducted into the Colegio Nacional in Mexico in 1993. He received the Hans Bethe Prize from the American Physical Society in 2012. Peimbert and his
Unam sanctam strong Holy Roman Emperor. His treatise "De Monarchia" attempted to refute the pope's claim that the spiritual sword had power over the temporal sword. Dante pointed out that the Pope and Roman Emperor were both human, and no peer had power over another peer. Only a higher power could judge the two "equal swords", as each was given power by God to rule over their respective domains. Unam sanctam On 18 November 1302, Pope Boniface VIII issued the papal bull which historian Brian Tierney calls "...probably the most famous of all the documents on church and state that has down