kevinsantiago8128 kevinsantiago8128

21-11-2022
Physics

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you want to find the distance to a star by comparing it's intrinsic brightness (this is usually hard to figure out) to it's apparent brightness (this is easily measured by just looking). a good candidate to use this method to find distance would be

Answer :

VTshruti VTshruti

24-11-2022

A good candidate to use a method to find distance would be any variable star. The correct option is C.

What is intrinsic brightness?

Intrinsic radiance is the brightness of a star if it were not dimmed by distance or intervening gas or dust. In contrast to apparent brightness, which is measured at a distance.

The luminosity of a star is a measurement of the energy emitted by it (in the form of light) per unit time. Because this value is independent of distance, astronomers use it to calculate the intrinsic brightness of a star.

The magnitude of a star increases with its proximity to us. That is, a star's apparent magnitude is its magnitude as measured from Earth.

Thus, the correct option is C.

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