1. A marking apparatus for marking an object comprising: a marking head having a plurality of marking devices for applying a marking on the object and a driving mechanism for providing a relative movement of the object relative to the marking head in an advance direction during a marking operation, wherein the marking head comprises in addition to the plurality of marking devices a plurality of sensor devices, wherein the sensor devices are arranged downstream of the marking devices in the advance direction, so that the marking applied by the marking devices is detectable by the sensor devices, when the object is moved relative to the marking head in the advance direction, wherein the marking head is rotatable about an axis that is perpendicular to the advance direction and to a surface of the object to be marked in order to variably adapt the resolution of the marking, wherein the marking devices and the sensor devices are arranged in a fixed relative position to each other in the marking head, and wherein the marking head comprises a receiving plate with a plurality of receiving holes, in which the marking devices and the sensor devices are arranged.