Any object that produces light is called, a light source, a day, artificial, a reflection, The Moon, produces light at night, reflects light from the Sun, is a natural light source, shines light on the Sun, Our most important light source is, the Sun, the Moon, computer screens, streetlights, Artificial light sources include, the Sun, the Moon, flashlights, stars, The Sun gives us, sunscreens and hats, food and animals, vitamin D and plants, heat and light

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