light travels in a staright line

when light hits an oapayk object it will change direction

light is a verry cool things. It can reflect or go thourgh anghthing

lighter object make more reflections and see through objects dont mak a better shadow than opaque

what about the shadow place? Thats beyond our bordsers there not much light and no photosynthetic organisma. Thats the benithic zone.

when the sun light gose down the light get ferver and the moon get closer

pupil

eye lid

rods and cons in the

pupil

eye lash

macula

retina

evrey hour the shadow changes directions and depends what the sun like if

the sun i dieds down