Solar energy
Solar energy
Solar energy is primary. Primary energy is a source of energy that is used directly without changing it. In the wood fire mode for cooking or heating, it is the oldest form of energy, but also the least efficient, why a lot of energy is lost. Despite inefficiency and 'The bad effect on health due to toxic smoke, in '2022 still one third of people in the world cooked on open fire. Some main energy sources are solar (clearly) wind, geothermal and fuels that can be nuclear, fossil (natural gas, fuel, coal, etc.), synthetic such as biogas or electric ' fuels, biomass ' or burnt waste with energy recovery.
Renewable or not renewable:
Solar energy is considered renewable because it comes from a natural and practically inexhaustible source: the sun. The sun produces energy constantly through nuclear reactions at its core, and this energy has been available for billions of years and will remain accessible for billions of years longer. In addition, solar energy is not depleted as its use, unlike fossil fuels such as oil or gas, which are consumed when used.
Traditional or alternative energy:
Solar power is alternative energy. It is called alternative energies or, more properly, alternative energy sources, to the techniques and procedures of obtaining energy different from the traditional ones, consisting of the burning of fossil fuels (oil, coal, natural gas, etc.). In general, this term is associated with the search for less polluting energies but of equal performance.
Brief definition:
Solar energy is an energy obtained from the use of electromagnetic radiation from the Sun. The solar radiation that reaches the Earth has been used by humans since ancient times, through different technologies that have evolved. Today, heat and sunlight can be harnessed by various collectors as photoelectric cells.
Advantages:
Solar energy has many advantages:
· It is a renewable and inexhaustible energy.
· It does not pollute or produce greenhouse gases.
· It is a clean source of energy that reduces the carbon footprint.
· It works well in remote areas.
· In the long term, it is economic.
Problems :
Links:
(4914) ¿Qué es la energía solar? - YouTube
Video:
Energía solar - Wikipedia, la enciclopedia libre
Energía Solar - Concepto, tipos, usos, ventajas y desventajas
Summary:
Solar energy, a renewable and sustainable source of energy, has gained ground in recent decades as a viable alternative to fossil fuels. Taking advantage of the light and heat of the Sun to generate electricity and heat is a promising solution to address current energy and environmental challenges. In this introduction, we will explore the definition of solar energy and discuss its importance and benefits.
Comentarios
Publicar un comentario