During a lunar eclipse only the umbra and penumbra are applicable. Earth's shadow can be divided into two distinctive parts&colon; the umbra and penumbra. Umbral is derived from the Latin "umbra", meaning "shadow". A lunar eclipse occurs when the Moon passes within Earth's umbra (shadow). Earth totally occludes direct solar radiation within the umbra, the central region of the shadow. Langdon concludes the monks are members of Sanctus Umbra, a militant subgroup of Manus Dei. An observer in the umbra experiences a total eclipse. A.C. Bastia 1924 is an Italian football club based in Bastia Umbra, Umbria. The new Legion consisting of Sensor, Umbra and Magno investigates unusual events on the asteroid. The Chiascio basin is relatively uninhabited as far as Bastia Umbra. The central part of the shadow is called the umbra. A point source of light casts only a simple shadow, called an "umbra". The Umbra and Tiber valleys are located in the province. Two NASA WB-57Fs flew above the clouds, prolonging the observation time spent in the umbra. In 2011 Umbra mostly concentrated on developing Umbra 3.