Ключевые слова: artificial, astronautic, black, blackboard, board, breakdown, chalk, chalkboard, concept, condition, contour, cosmic, data, debris, design, doodle, drawing, fracture, hand drawn, handdrawn, icon, illustration, incident, information, line, linear, logotype, mode, orbit, outline, picture, position, receive, satellite, send, sign, signal, sketch, spacecraft, station, status, symbol, system, theme, web, white,