How do astronomers measure the diameter of the sun?
Please see below.
One of 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
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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Astronomers measure the diameter of the Sun using a method called helioseismology, which involves studying the Sun's oscillations or seismic waves. By observing how these waves travel through the Sun's interior, scientists can determine the size of the Sun's core and use that information to calculate its diameter.
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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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