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Solar Power

Solar power is the conversion of solar energy into electricity or thermal energy, either by indirectly using concentrated solar power or directly using photovoltaics – the use of solar panels which consist of various cells made of photovoltaic material.

3,946 Questions

Who invented solar power?

Solar power as a concept has been known for centuries, but the modern technology behind solar panels and their conversion of sunlight into electricity was developed in the mid-20th century by scientists in the United States. Some key contributors include Bell Labs, which produced the first practical solar cell in 1954, and Russell Ohl, who is credited with inventing the modern solar cell.

Where does solar energy occur?

Solar energy occurs when sunlight is converted into electricity or heat using solar panels. It is generated by harnessing the energy from the sun's rays. Solar energy is a renewable and sustainable source of power that helps reduce greenhouse gas emissions and reliance on fossil fuels.

How can solar power affect the future?

Solar power can positively affect the future by providing a clean and renewable source of energy, reducing dependence on fossil fuels and lowering greenhouse gas emissions. It can also create new job opportunities and promote energy independence for countries that invest in solar technology. Additionally, as technology advances and costs decrease, solar power has the potential to become more accessible and widespread.

What are the risks associated with solar energy?

There are roughly two types of solar power: Thermic (Solar heating) and Electric (PV)

Risks are only the risks like handling any kind of powered equipment generating/using heat or electricity.

So Solar heating heating can cause fire, stream burns (As used by concentrating solar mirrors) , mechanical overload. PV can cause electrocution and fire by short circuit.

By comparisment with other ways of power production the risks are lower. There is no fuel that can burn/explode and no waste that is either toxic or radioactive.

What happens if there is no sunlight for the solar panels?

Without sunlight, solar panels cannot generate electricity. They need sunlight to create an electric current through a photovoltaic process. If there is no sunlight, the panels will not produce power.

What color solar cover is best?

A blue solar cover is often recommended as it helps attract more sunlight and heat the pool water effectively. White solar covers are also a good option as they reflect sunlight, reducing chemical loss and retaining heat well. Ultimately, the best color can vary depending on factors like climate, pool size, and personal preference.

Solar energy is produced by?

Solar energy is produced by the sun's rays, which are converted into electricity through the use of photovoltaic cells or solar thermal systems. Photovoltaic cells directly convert sunlight into electricity, while solar thermal systems use sunlight to generate heat that can be used to produce electricity.

How does solar energy increase rainfall?

Solar energy increases rainfall through the process of evaporation. When sunlight heats up the Earth's surface, water from lakes, rivers, and oceans evaporates into the atmosphere. This water vapor then condenses to form clouds, eventually leading to precipitation in the form of rain.

If the solar energy that falls on Earth what percentage do land and oceans absorb?

Land absorbs about 50% of the solar energy that falls on Earth, while the oceans absorb the remaining 50%. This energy is then converted into heat, which drives the Earth's climate system.

What is the meaning of MWp in solar?

MWp stands for megawatt peak, which is a unit used to measure the power output of a solar photovoltaic system under standard test conditions. It indicates the maximum potential power output that the system can generate when exposed to optimal sunlight conditions.

What region of the Earth gets nearly vertical rays of solar energy year around?

The equatorial region receives nearly vertical rays of solar energy year-round due to its proximity to the equator. This area experiences consistent high levels of solar insolation, leading to warm temperatures and a relatively stable climate.

What are most solar energy that reaches earth's surface taken from?

Most solar energy that reaches Earth's surface is taken from the sun, where photons of light are emitted through nuclear fusion reactions in the sun's core. These photons travel through space until they reach Earth's atmosphere and surface, providing the energy needed for various processes on our planet.

What factor most influences amount of solar energy an area on earth receives?

The latitude of an area on Earth most influences the amount of solar energy it receives. Areas closer to the equator receive more direct sunlight and therefore more solar energy, while areas farther from the equator receive less direct sunlight and less solar energy. Other factors such as cloud cover, air pollution, and elevation can also affect the amount of solar energy received.

What is true about this solar energy that is absorbed and released by Earth's surface as heat?

Solar energy absorbed by Earth's surface is converted into heat, which is then released back into the atmosphere. This process helps regulate the Earth's temperature and maintain a suitable climate for life to thrive. The balance between absorption and release of solar energy is crucial for maintaining the planet's energy and climate systems.

What is one way zoos help conserve natural resources?

Zoos contribute to the conservation of natural resources by participating in breeding programs for endangered species. By breeding animals in captivity, zoos help to boost populations of threatened species and reduce the pressure on their wild habitats.

What part of earth receives the least solar energy?

The polar regions receive the least solar energy due to their high latitudes and the angle at which sunlight strikes the Earth's surface. This leads to long periods of darkness during the polar winter, resulting in minimal solar energy reaching these areas.

What types of rocks are formed by processes powered by solar energy?

Sedimentary rocks, such as sandstone or limestone, are typically formed by processes powered by solar energy. These rocks are created through the accumulation of sediment derived from the weathering of pre-existing rocks, a process driven by the Sun's energy.

What is solar energy and how does it affect Earth?

Solar energy is energy derived from the sun's radiation. It affects Earth by providing a renewable source of energy for electricity generation and heating, reducing our reliance on fossil fuels and decreasing greenhouse gas emissions responsible for global warming. Additionally, solar energy promotes energy independence and security.

How much solar energy does the earth receive?

The Earth receives about 174 petawatts of solar energy from the sun. This energy is enough to power all human activity on the planet many times over.

How many solar panel can generate 1 mega watt?

it depends on your solar panels, i can tell you if you know the amperage and the volts, you can find the amount of watts it produce, the equation is watts = amps x volts. hate to give you an equation as an answer

What does the first ionization energy represent?

The energy required to remove an electron from an atom

How might changes in the solar energy affects earths climate?

Changes in solar energy, such as fluctuations in solar output or variations in Earth's orbit, can influence Earth's climate by affecting the amount of heat and energy that reaches the planet. These changes can lead to shifts in global temperature patterns, ice cover, and precipitation levels. Over long time scales, they can also contribute to natural climate cycles like ice ages.

What factors affect the solar energy earth receives?

The Sun's solar output is more or less constant (it is getting hotter very slowly but over human time scales this is irrelevant) and the planet Earth is not growing in diameter. This means that the solar irradiation Earth receives is dependent on its position on its orbit. The orbit is slightly elliptical and therefore in December it is closer to the Sun than in June. This distance is the only factor that affects the solar energy impinging on the planet.

How does solar power contribute to global warming?

The use of solar power (photovoltaic panels [PV], solar hot water, Concentrated Solar Power [CSP]) does not contribute to global warming.

The original heat from the sun, of course, is the source of global warming, because we are trapping more and more of its heat.

It is the heat from the sun (solar power) that warms the earth. The earth then radiates heat back up into the atmosphere which warms the greenhouse gases. Because humans have put extra greenhouse gas up there (mostly carbon dioxide, but also some methane), this also warms up. This makes the planet warmer than it would normally be. This is global warming.

What happens to solar energy that is absorbed at earth's surface?

Solar energy that is absorbed at Earth's surface is transformed into heat, which warms the surface. This heat can then be radiated back into the atmosphere as infrared radiation. Some of this heat is trapped by greenhouse gases, contributing to the Earth's overall temperature.