<p>Suppose the Sun rises and due to refraction the Sun's disc gets deformed. Let the center of the sun be <span class="math-container">$O$</span> and <span class="math-container">$OL$</span>, <span class="math-container">$OR$</span>, <span class="math-container">$OT$</span>, <span class="math-container">$OB$</span> be the distances from the center of the disc to the edges in the direction <span class="math-container">$L$</span>eft, <span class="math-container">$R$</span>ight, <span class="math-container">$T$</span>op and <span class="math-container">$B$</span>ottom (<span class="math-container">$L$</span>, <span class="math-container">$R$</span>, <span class="math-container">$T$</span>, <span class="math-container">$B$</span> are the farthest points from the center of the disc to their direction due to the deformation of the solar disk). How to find which of the 4 distances is bigger and which is smaller?</p>
<p>Thanks in advance for your answers</p>

CC BY-SA 4.0
2020-06-18T17:29:04.183Z
Do you want to measure it? Take a photo and measure it. Do you want to calculate it? Then you need a refraction model to calculate the apparent altitude of each point.
JohnHoltz
CC BY-SA 4.0
2020-06-18T22:01:13.847Z
The question is not unclear, although it has taken about 5 minutes for me to understand. It is border case "too broad", see the comment above.
peterh
<the-sun><atmospheric-effects>
A question about Sun disk deformation
justaguest
# A question about Sun disk deformation

(Asked by: username_0 on 2020-06-18)

Suppose the Sun rises and due to refraction the Sun's disc gets deformed. Let the center of the sun be $O$ and $OL$, $OR$, $OT$, $OB$ be the distances from the center of the disc to the edges in the direction $L$eft, $R$ight, $T$op and $B$ottom ($L$, $R$, $T$, $B$ are the farthest points from the center of the disc to their direction due to the deformation of the solar disk). How to find which of the 4 distances is bigger and which is smaller?

Thanks in advance for your answers

**Tags:** the-sun, atmospheric-effects
> **Comments:**
> **username_1**: Do you want to measure it? Take a photo and measure it. Do you want to calculate it? Then you need a refraction model to calculate the apparent altitude of each point.  
> **username_2**: The question is not unclear, although it has taken about 5 minutes for me to understand. It is border case "too broad", see the comment above.  

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