Final answer:
Artificial lighting is continuously lit during hours of darkness and is used to illuminate spaces during nighttime hours.
Step-by-step explanation:
The lighting which is continuously lit during hours of darkness is called artificial lighting.
Artificial lighting refers to the use of electric lights or other sources of light to illuminate a space during periods of darkness. Common examples of artificial lighting include light bulbs, fluorescent tubes, and LEDs.
Artificial lighting is widely used in homes, offices, and public spaces to provide illumination and allow activities to continue during nighttime hours.