light sector
The 'light sector' typically refers to the part of the universe that interacts with electromagnetic forces, distinguishing it from the dark sector composed of dark matter and dark energy.
Definition
C2Cosmology
(technical, academic)The part of the universe explained by known physical laws, excluding dark matter and dark energy.
Example
- Scientists study the light sector to understand the composition and behavior of visible matter in the universe.
C2Astronomy
(technical, academic)The portion of the universe that interacts with electromagnetic forces, including light-emitting celestial bodies.
Example
- Astronomers focus on the light sector to observe stars and galaxies.
C1Navigation
(technical)The arc over which a navigational light is visible, used to distinguish between different sectors or obscured areas.
Example
- The lighthouse's light sector helps sailors navigate safely along the coast.
Similar
Terms that have similar or relatively close meanings to "light sector":
dark sectorlight conewhite lightlight spectrumdark lighttop lightlight engineeringlight offlight elflight waverange lightlight downblue lightbright spothard light