In other words we are often able to see through the dark side of the moon's body the light on the other side. In this faint light the telescope can distinguish both the larger spots, and also bright shining points, and even when more than half the moon's disc is illuminated, a faint grey. p. 338.
A long term study of soldiers exposed to sarin & cyclosarin during the first Gulf War (1991) indicated that exposure was significantly associated with less proficient neurobehavioral functioning on tasks involving fine psychomotor dexterity and visuospatial abilities 4â5 years after exposure (Proctor et al, 2007).
Sarin is also known as GB. Sarin and other nerve agents may have been used in chemical warfare during the Iran-Iraq War in the 1980s. Sarin was used in two terrorist attacks in Japan in 1994 and 1995. These attacks & their outcomes have been described in an article by Yanagisawa et al (2006).