(anatomy) A complex network of nerves and ganglia, located within the abdomen behind the stomach.

(astronomy) A violent explosion in the Sun's atmosphere.

A calendar based on the movement of the Earth around the Sun, which defines the year. Dates indicate the position of the Earth during this revolution.

The Sun and all the heavenly bodies that orbit around it, including the eight planets, their moons, the asteroids, and comets.

(astronomy) A unit, equal to the mass of the sun, used to express the mass of other stars etc. 1 M_☉ = 2 × 10³⁰ kg.

The amount of incoming solar radiation per unit area, measured on the outer surface of Earth's atmosphere, in a plane perpendicular to the rays.

(astronomy) All the electromagnetic radiation and subatomic particles radiated from the Sun, especially that part that reaches the Earth

(astronomy) The upper atmosphere of the sun, only visible during a total solar eclipse

A semiconductor device that converts the radiant energy of sunlight into electrical energy

Energy in the form of electromagnetic radiation emitted from the Sun; especially that part of this energy that is converted into usable thermal or electrical energy by man.