As the moon circles the earth, the shape of the moon appears to change. the shape varies from a full moon, when the earth is between the sun and the moon, to , when the moon is between the sun and the earth.

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.