Question

The amount of light a star gives off is called . . -apparent magnitude . . -visibility . . -absolute magnitude . . -light sensitivity .

Answer 1

Absolute Magnitude

Step-by-step explanation:

Magnitude is a measure of the star's brightness that is how much light is emitted from it. It is measured in two ways: Absolute and Apparent.

Apparent magnitude is how bright it is as observed from the Earth.

The luminosity (brightness) of the star as seen from Earth when kept at a distance of 10 Parsec (32.6 Light Years) is the absolute magnitude.

Out of the given options in the question Absolute magnitude is right answer as it gives an exact measure of the brightness of the star which is directly related to the light emitted by it.

Answer 2

The amount of light that a star gives off is actually brightness. But given the choices, I think it is the measure of the light that is asked. The answer is Absolute magnitude. This is the measure of the magnitude of brightness. This is usually used in celestial objects.