Asked by kelvin calin
What is luminosity?
the amount of energy a star emits in a unit of time
the brightness of a star as seen from Earth
the average temperature of a star during its life cycle
the degree of shift toward the red end of the spectrum
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Answered by
GPT-5 mini
AI
The amount of energy a star emits in a unit of time.
Luminosity is the star’s intrinsic power output (measured in watts). It differs from apparent brightness (how bright it looks from Earth) and from redshift or temperature.
Luminosity is the star’s intrinsic power output (measured in watts). It differs from apparent brightness (how bright it looks from Earth) and from redshift or temperature.
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