Prehistoric Cave Painting Pigment To Be Used By ESA For Solar Orbiter Heatshield redOrbit Staff & Wire Reports - Your Universe Online Burnt-bone charcoal, a pigment once used as part of prehistoric cave paintings in southern France, will be applied to the ESA’s Solar Orbiter to help protect the vehicle from the Sun’s rays, the agency announced Wednesday. The spacecraft, which is currently scheduled to launch in 2017, will have a type of black calcium phosphate produced from ...
Feb. 14, 2014 - redOrbit