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- The sun is a self-luminous celestial body that emits its own light and heat through nuclear fusion reactions in its core.
- Fireflies are insects that are self-luminous due to a chemical reaction in their bodies that produces light, often used as a signal for communication and mating.
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What is self luminous source?
A self-luminous source is an object that produces its own light through a process like combustion or nuclear fusion, as opposed to reflecting light like non-luminous objects. Examples include stars, light bulbs, and fireflies.
Why and how are various celestial objects luminous and non luminous?
Luminous objects are those which can produce or give out light of their own, while non-luminous objects cannot produce or give out their own light. Some examples of luminous objects would be the sun, stars, fireflies, glowworms and some deep sea fish Some examples of non-luminous objects would be the planets Mercury, Venus, Earth, Mars,Jupiter, Saturn, Uranus, Neptune and also Moons.
What is a luminous ball of plasma?
A luminous ball of plasma is a hot, ionized gas that emits light and energy. Examples include stars like the Sun, which are giant luminous balls of plasma that produce light through nuclear fusion in their cores. Plasma balls can be observed in phenomena such as lightning, neon signs, and some types of artificial lighting.
What is element 61 called?
Naturally radioactive promethium was briefly used as a replacement for radium in self-luminous paint. It is element 61.
What is luminous mean?
ANSWER:Luminous could also mean 'full of light or illuminated'. For example: luminous hands of a clock. Here, luminous denotes shiny or that give light. In the example: luminous room; luminous indicates well-lighted. Something that is clear or easy to understand is also termed luminous. Fro example: luminous prose or luminous theory. Luminous could also mean inspiring, intelligent, or enlightened.
