Luna Amară Luna Amară Luna Amară is a Romanian rock band from Cluj-Napoca . The band, which was founded in 1999 under the name Tanagra Noise, consists of Mihnea Blidariu (lead vocals, trumpet, rhythm guitar), Nick Făgădar (lead vocals, rhythm guitar), Sorin Moraru (bass), Răzvan Ristea (drums) and Andrei Boțan (lead guitar). The band's name translates to Bitter Moon, and is borrowed from the Roman Polanski movie of the same name, inspired by the eponymous novel written by Pascal Bruckner. As of 2018, Luna Amară have released six studio albums (Asfalt, Loc Lipsă, Don't Let Your Dreams Fall Asleep, Pietre În Alb,
Dynamics of the celestial spheres Dynamics of the celestial spheres Ancient, medieval and Renaissance astronomers and philosophers developed many different theories about the dynamics of the celestial spheres. They explained the motions of the various nested spheres in terms of the materials of which they were made, external movers such as celestial intelligences, and internal movers such as motive souls or impressed forces. Most of these models were qualitative, although a few of them incorporated quantitative analyses that related speed, motive force and resistance. In considering the physics of the celestial spheres, scholars followed two different views about the material composition of the celestial spheres.