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Not quite. A lot of light sources which appear to be independent of the sun are using solar energy at second hand. Any living thing which glows, flashes or sparks is using energy which it got from its food; all food comes indirectly from the sun. Most electricity comes from burning, and the fuel that is burnt comes from living things, hence from the sun also. However, electricity that comes from a nuclear power station does not get its energy from the sun - the Uranium that fuels the reactor was made in another star, long ago and far away. There are a few other ways to produce light without relying on solar energy at all. If you extract Radium from the mineral Pitchblende, it glows all by itself - don't stand too close. Or, let off a nuclear weapon; really don't stand too close.
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∙ 15y ago
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Is a bulb a source of energy?
It is a source of light only.
What is the only radiant energy that you can see?
The only radiant energy that I can see is the radiant energy that I call "visible light".It is the main source of my ability to perceive that Grant's Tomb is indeed colored orange.
What are the two main sources of energy in earths spheres?
The two sources of energy are the sun and energy from the Earth's Interior.
The energy of light and other forms of radiation?
From the Sun. Also from other stars, and from distant galaxies - but we only get significant amounts of energy from our Sun.
Do only moving things have energy?
No, only moving things do not have energy. That is false. A light has energy, but it does not move.
Is a bulb a source of energy?
It is a source of light only.
Why life on earth requires a continuous suply of energy from the sun?
It is not necessary that our life forms on planet earth require energy only from sun. Plants can photosynthesize and survive under artificial light. The only thing is we don't have an alternative source of energy.
What is limited from solar energy?
There must be a source of sufficient light. Ie. Solar energy is only charging half the time on earth, as we spin and only face the sun half the time!
Energy source of most life on earth?
Most life on earth, gets there energy source from the sun, that is assuming that the majority of life on earth are autotrophs (plants). They get this energy by photosynthesising and getting a energy source called glucose, which is used in nearly all organisms on earth... they can then use glucose as a respiratory substrate, for respiration... Hope this helps :)
Is the sun the only light source in the universe?
No, the Sun is not the only light source in the univrse. Every star is it's own light source, just as the sun is, but due to there distance they are not very effective. The Moon also creates a light source, because it reflects the light from the Sun back to earth. In the same way, if we where on the Moon, the Earth would be a light source, reflecting the light from the Sun at the moon.
Objects in space that can only be viewed from earth because of reflected light energy are said to be what?
Objects in space that can only be viewed from earth becouse of reflected light energy are said to be
What is the source of Energy for All Of The Processes that Occur on the Earth's surface?
None of those is really a "source" of energy; those are only ways in which energy is transported. Earth gets most of its energy from the Sun, through radiation.
Objects in space that can only be viewed from earth because of reflected light energy are said to be?
objects in space that can only be viewed from earth because of reflected light energy are said to be luminous.
Show me a timeline of the history of light sources?
The only light source throughout history was the sun. The moon is not a light source. The sunlight reflects off of it, allowing it to light the Earth sometimes.
Does the sun or earth emit light with higher energy?
Only the sun emits radiation in the wavelengths of visible light, which is considerably higher energy than infrared emitted by Earth.
What is the chief source of radiant energy?
The chief source of radiant energy is the sun. The sun is responsible for practically all energy on our planet. Geothermal (heat from under the earth) is the only exception.
What is the next source after petrol?
energy imported from mars, since it is closer to sun, can get better salor energy stored than from earth. Only problem is the transpotation of energy from mars to earth.
