The Solar System is the system of the and the objects that it. It when a dense region of a collapsed, forming the Sun and a . The Sun is a typical star that maintains a by the of hydrogen into helium at its , releasing this energy from its outer . Astronomers
[pdf] A non-renewable resource (also called a finite resource) is a that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. An example is carbon-based fossil fuels. The original organic matter, with the aid of heat and pressure, becomes a fuel such as oil or gas. Earth and , (, , ) and
[pdf] The National Renewable Energy Laboratory (NREL) in the US specializes in the of , , energy systems integration, and sustainable transportation. NREL is a sponsored by the and operated by the Alliance for Sustainable Energy, a joint venture between
[pdf] In fiscal year 2020, congressional appropriations for the Department of Energy contained $464.3 million for NREL. This total included the following amounts for its renewable energy technology programs: • : $122.4 million• : $30.0 million
[pdf] • 1941: Isaac Asimov published the science fiction short story "Reason," in which a space station transmits energy collected from the sun to various planets using microwave beams. "Reason" was published in the "Astounding Science Fiction" magazine. • 1968: introduces the concept of a "solar power satellite" system with square miles of solar collectors in high for collection and conversion of sun's energy into a beam to tra.
[pdf] 
