astronaut are pulled away from piece in a stripe by low temeprature
cathode_ray is not beam. tetradymite is mineral. tetrad is not microscopic_object. tetradymite is not mineral. tetrad is microscopic_object. laser is not thin_beam_of_light. low_wire is tightrope. low_wire is not tightrope. corbel_arch is not arch. laser is thin_beam_of_light.