flying saucer, spaceship icon in sketch cartoon style. on the theme of ufo, space, aliens

flying saucer illustration vector icon ship spacecraft spaceship black star doodle outline technology ufo flat scifi extraterrestrial science alien pictogram line outer object sign area symbol fantasy coloring unknown boy isolated fiction cartoon zone abduction clip art cosmos paranormal capsule civilization vehicle drawing invasion attack unidentified dish kid sketch hand drawn internet style design element theme space aliens style aliens illustration