Solar Energy

• In the form of heat and light, solar energy can cover all our energy needs in a clean, versatile manner.
• Photovoltaics, or Solar panels with silicon cells, convert light into electricity as the photon rays of the sun charge up the cells.

A solar eclipse is when the moon passes between the Earth and the sun. The moon's shadow falls on the Earth's surface and blocks out the sun's light as we see it from the Earth.

The moon crosses the Earth's orbital plane only twice a year because the moon ...

Electricity can light your lamps or power your appliances. But electricity needs to be produced first. We need a fuel that can be converted into electricity, such as petroleum (carbohydrates) that is converted into gasoline (glucose). Or solar energy (fats) or wind power (protein...