luminance

1. (злічуване, незлічуване)The quality of being luminous.

   the quality of being luminous; emitting or reflecting light

2. (злічуване, незлічуване)The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle.

3. (злічуване, незлічуване)The luminous flux emitted in a given direction divided by the product of the projected area of the source element perpendicular to the direction and the solid angle containing that direction (i.e. luminous intensity divided by unit area), measured in stilbs or apostilbs.

   Leuchtdichte

1. Due to their huge size and luminance, they easily qualify as “first magnitude” stars.

   deWegen ihrer enormen Ausmaße und Leuchtkraft qualifizieren sie sich mit Leichtigkeit als Sterne „1. Größe“.

   CC0 · Tatoeba · Cangarejo · C2Відкрити на TatoebaПовідомити про проблему

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