Definition, Betydelse & Synonymer | Engelska ordet LUMINOUS

Definition av LUMINOUS

1. lysande, självlysande, ljusavgivande

Exempel på hur man kan använda LUMINOUS i en mening

• Algol is a three-star system, consisting of Beta Persei Aa1, Aa2, and Ab – in which the hot luminous primary β Persei Aa1 and the larger, but cooler and fainter, β Persei Aa2 regularly pass in front of each other, causing eclipses.
• It is about the same mass as the Sun, but has expanded to 25 times its size (around 35 million kilometers) and is around 170 times as luminous.
• The candela (symbol: cd) is the unit of luminous intensity in the International System of Units (SI).
• As such, the Huygens-Fresnel principle is a method of analysis applied to problems of luminous wave propagation both in the far-field limit and in near-field diffraction as well as reflection.
• Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction.
• The SI comprises a coherent system of units of measurement starting with seven base units, which are the second (symbol s, the unit of time), metre (m, length), kilogram (kg, mass), ampere (A, electric current), kelvin (K, thermodynamic temperature), mole (mol, amount of substance), and candela (cd, luminous intensity).
• The units and their physical quantities are the second for time, the metre (sometimes spelled meter) for length or distance, the kilogram for mass, the ampere for electric current, the kelvin for thermodynamic temperature, the mole for amount of substance, and the candela for luminous intensity.
• Most stars on this list appear bright from Earth because they are nearby, not because they are intrinsically luminous.
• A photosphere is the region of a luminous object, usually a star, that is transparent to photons of certain wavelengths.
• In optics, Lambert's cosine law says that the observed radiant intensity or luminous intensity from an ideal diffusely reflecting surface or ideal diffuse radiator is directly proportional to the cosine of the angle θ between the observer's line of sight and the surface normal;.
• From more recent and concrete toponymic studies, the name Lucca has references that lead to "sacred grove" (Latin: lucus), "to cut" (Latin: lucare) and "luminous space" (leuk, a term used by the first European populations).
• In 1924 it established the standard photopic observer defined by the spectral luminous efficiency function V(λ), followed in 1951 by the standard scotopic observer defined by the function V’(λ).
• Noah Brosch and colleagues showed that the luminous ring lies at the inner edge of a much larger neutral hydrogen ring.
• Such a nebula is formed when a star, during the last stages of its evolution before becoming a white dwarf, expels a vast luminous envelope of ionized gas into the surrounding interstellar space.
• Although his mature works may not contain the vivid, luminous tints of his early pieces, they are renowned for their loose brushwork and subtlety of tone.
• The lux (symbol: lx) is the unit of illuminance, or luminous flux per unit area, in the International System of Units (SI).
• Rudolph is usually depicted as the ninth and youngest of Santa Claus's reindeer, using his luminous red nose to lead the reindeer team and guide Santa's sleigh on Christmas Eve.
• Subsequently, as they lacked any measurable parallax, it became apparent that some of these stars were significantly larger and more luminous than the bulk, and the term super-giant arose, quickly adopted as supergiant.
• Their surface temperatures are similar to those of main-sequence stars of the same mass, but they are significantly more luminous because their radii are larger.
• The Base represents the original state of existence, characterized by emptiness (stong pa nyid), clarity (lhun grub, associated with luminous clarity), and compassionate energy (snying rje).

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