He momo pūngao te aho, he ngarungaru te āhua o te nuku. Koia nei te wāhanga o te tūāwhiorangi autōhiko e kitea ana e te karu tangata. He tino tere, he torotika hoki te nuku o te ngaru aho, mai i tōna pūtakenga. E 300,000 manomita i te hākona (300,000km/h) te tere. Ko te pūaho te korakora taketake o te pūngao aho.
Light is a form of energy which travels in waves. Light is the part of the electromagnetic spectrum which can be seen by the human eye. Light waves travel very fast and in a straight line from the source of the light, at a speed of 300,000 kilometres per second (300,000km/s). The photon is the fundamental particle of light.