GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The actual brightness of an object such as a star
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Luminosity
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Apparent Magnitude
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Brightness
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Light Year
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Explanation:
Detailed explanation-1: -Apparent magnitude (m) is a measure of the brightness of a star or other astronomical object observed from Earth. An object’s apparent magnitude depends on its intrinsic luminosity, its distance from Earth, and any extinction of the object’s light caused by interstellar dust along the line of sight to the observer.
Detailed explanation-2: -Luminosity is the rate at which a star radiates energy into space. Apparent brightness is the rate at which a star’s radiated energy reaches an observer on Earth.
Detailed explanation-3: -luminosity – the actual brightness of an object such as a star.
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