How is the luminosity of the sun determined?

Answer 1

# L # = #3.79# x #10^26 #Watts

This is the formula for an object's flux that is received at Earth:

# F = L / (4.pi.D^2) #

Whereas

F stands for flux, L for object luminance, and D for distance from that object.

To obtain the luminance, reorder the formula.

# L = F.4.pi.D^2 #
Flux Received from the Sun is 1343 # W/ m^2 # D is the Distance = 1 AU or 150 Million Kms = # 150 # x # 10^6 #
# L = 1343 . 4 . 3.142 . (1.5 x 10^11)^2 # # L # = #3.79# x #10^26 #Watts
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Answer 2

The luminosity of the Sun is determined by measuring its energy output, which is calculated based on its surface temperature and radius. The Stefan-Boltzmann law is used to calculate the total energy emitted by the Sun per unit time, which gives its luminosity.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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