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词汇 radiometric magnitude
释义

Definition of radiometric magnitude in English:

radiometric magnitude

noun
Astronomy
  • A measure of the intensity of the total radiation emitted by a celestial object that reaches the earth's surface, typically expressed on a scale in which zero is the visual magnitude of a type A0 star.

Origin

1920s.

Definition of radiometric magnitude in US English:

radiometric magnitude

noun
Astronomy
  • A measure of the intensity of the total radiation emitted by a celestial object that reaches the earth's surface, typically expressed on a scale in which zero is the visual magnitude of a type A0 star.

Origin

1920s.

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