It discusses the various types of light, the effects of brightness on visibility, and the significance of sunlight in illuminating non-luminous objects.

Double-exposure photography of non-luminous objects can be carried out with transmitted light where the camera lens is presented with a silhouette of the object against a light background, or with ...

Scientists have spotted the brightest object ever at over 500 trillion times more luminous than the Sun. Using the European Southern Observatory’s (ESO) Very Large Telescope (VLT), astronomers ...