An astronomical unit (AU) is a unit of length used primarily to measure distances within the solar system.

Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time.

Earth is the third planet from the Sun in our solar system and the only known celestial body to support life.

An electrical grid, also known as a power grid or electric grid, is a network of interconnected transmission lines, substations, and power stations that deliver electricity from suppliers to consumers.

The European Space Agency (ESA) is an intergovernmental organization dedicated to space exploration and scientific research.

A gyroscope is a device used for measuring or maintaining orientation and angular velocity.