How is the circumference of the sun calculated?

Answer 1

Please see below.

For calculating the circumference of sun, what you need is diameter of the sun.

The easiest way to measure diameter is to use a pinhole camera. But, for this you need a very small hole in, say, a card. This is not easy, but what you can do is to make a bigger whole say #3# #cm.# wide square or a circular hole.

Now a paste a metal film covering it completely. You can use a aluminium foil for this. Now create a very tiny hole in it and place it in sun to form an image as shown below.

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Answer 2

Owen Atkinson

The circumference of the Sun can be calculated using its diameter and the mathematical formula for the circumference of a circle, which is C = π * d, where C is the circumference and d is the diameter. The diameter of the Sun is approximately 1.4 million kilometers, so using the formula, the circumference can be calculated as follows:

C = π * 1.4 million kilometers

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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.