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How much pixel does a average size of human being consume as compared to our sun in an 8K display

8k display has apprx 33 million pixels

Average size of a human being : 5'9

size of sun: 2.740157e+10

What is the apprx pixel capacity does a human being consume in a 8k display (7680 × 4320) in a photo of a sun which is being fully shown in a 8k display (the value can be apprx and it is being known it consumes not even one pixel in that 33 million pixels)

(I know hat the picture of a sun dosent consume all the pixels of a 8K display since the shape is circle)

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9 minutes ago, Ragavron said:

8k display has apprx 33 million pixels

Average size of a human being : 5.9 inches

size of sun: 2.740157e+10

What is the apprx pixel capacity does a human being consume in a 8k display (7680 × 4320) in a photo of a sun which is being fully shown in a 8k display (the value can be apprx and it is being known it consumes not even one pixel in that 33 million pixels)

(I know hat the picture of a sun dosent consume all the pixels of a 8K display since the shape is circle)

What?

I don't know what land of midgets you live in, but I"m certainly not 5.9" in size...

So rise up, all ye lost ones, as one, we'll claw the clouds

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The average size human is around the same size as my mobile phone? 

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He obviously meant to write 5 feet 9 inches. What's the big deal? There's bigger things to focus on in this post than an obvious typo.

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1 minute ago, OrionFOTL said:

He obviously meant to write 5 feet 9 inches. What's the big deal? There's bigger things to focus on in this post than an obvious typo.

Yeah, like trying to determine what is actually being asked....

So rise up, all ye lost ones, as one, we'll claw the clouds

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What? I have read this post multiple times and I am having a really hard time understanding what you are saying.

Are you asking:

Quote

Imagine that we had an 8K picture of the sun, and the picture was scaled so that the sun fit inside the picture. How many pixels would a human be in the same picture?

Is that what you are asking?

I am not sure where the "average size of a human being 5.9 inches" or the sun numbers comes from but I'll ignore those for now.

 

If you are asking "how many pixels would a person fill in an 8K picture of the sun" then it is quite easy to calculate.

8K means 7680x4320. Since the sun is a circle we can ignore the 7680 number. It's the vertical resolution that will limit us.

 

The sun has a diameter of about 1391982 kilometers.

If we take 1391982 and divide by 7680 we get 181.

Each pixel in our 8K picture of the sun corresponds to 181x181 kilometers (about 112 miles square miles) in real life.

 

So the answer to your question is 0. A human being would not even be large enough to be a singel pixel in our picture. Not even close.

 

The entire earth would be 70x70 pixels in such an image. I made you an 8K picture where you can see the sun and the earth for scale.

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26 minutes ago, Ragavron said:

8k display has apprx 33 million pixels

Average size of a human being : 5.9 inches

size of sun: 2.740157e+10

What is the apprx pixel capacity does a human being consume in a 8k display (7680 × 4320) in a photo of a sun which is being fully shown in a 8k display (the value can be apprx and it is being known it consumes not even one pixel in that 33 million pixels)

(I know hat the picture of a sun dosent consume all the pixels of a 8K display since the shape is circle)

I think the lockdown is getting to you. 

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Okay, so you're asking how tall a human is compared to how tall the sun is? And you want to relate that to pixels on an 8K screen?

 

(dot will be a decimal point in the coming numbers)

The sun has a diameter of 1.3927 million KM (let's say the sun is a perfect sphere, so this is its heights/width, etc.)

Average human male is 1.8m 

(Sorry for switching to metric, but those make more sense to me).

 

So let's simply just see, what is 1.8 of 1.3927 million KM?

1.8 of 13927 would be 0.013%

 

But of course that is omitting a bunch of zeroes from the size of the sun, which that would actually be 1,392,700,000.00 KM, which is 1,392,700,000,000.00 meters

1.8 of 1.3927 billion is: 0.000 000 13%  (numbers split every three zeroes to read more easily).

 

Let's do it the other way around. Let's say a human is one pixel tall. How many pixels would the sun be tall?

1.384.615.385 pixels. (1.38 billion pixels).

 

You could also see this as the sun being 769.230.769 larger than a human (double nice).

 

I think this is correct, but I'm not too good at this stuff, so I might not be 100% correct

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5 minutes ago, Biomecanoid said:

I think the lockdown is getting to you. 

Might as well be staring at the sun.

 

 

So rise up, all ye lost ones, as one, we'll claw the clouds

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I was for sure we were talking about groins at first.

1 hour ago, Ragavron said:

Average size of a human being : 5.9 inches

 

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Is it time for a yo mama joke yet?

 

As lawlz explained, 0 pixels

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I think a few variables have been omitted here and the question admittedly isn't super clear, but I'm going to interpret it as best as I can and try it out:

 

Let's start with our photo of the sun. I think this photo in visible light with solar filter is a good choice. Obviously it doesn't really look like the sun, but captured with your average camera there are all sorts of lens flares, overloading the camera's sensor and HDR capabilities etc. So we'll stick with this super scientific photo.

Now the display. I'm just searching Amazon for 8k monitor and taking the first result, it's this Dell UltraSharp 32" 8K Monitor. It boasts a luminance of 400 candelas per square meter, and the height of the display is ~0.5m (I don't care about the width much because our circular photo of the sun is obviously gonna be height bound).

 

A little bit of Photoshop magic, I can see our photo of the sun roughly averages to be a circle of 87% gray pixels. I'm not sure if with gamma correction and perceived intensity that necessarily mean we're getting 87% of the monitors luminance shining on us (after all— black pixels might not even be 0%), but hey this is back of the napkin math so what the heck. The photo also has some black around it, about 200 pixels off the top and bottom of the total 2300 pixels, so only 1900 pixels are actually illuminated (again, we're gonna just discard the black pixels as if they emit no light at all). Of course the photo is not high enough resolution to display on our big fancy monitor, but we'll assuming it's full screened as noted in the question and the important part is what percentage of the height is consumed (1900/2300 = ~82.6%). With that, we can say that our sun is taking up 3568 pixels on our 8K display, or about 41.3 cm of physical height. So our virtual sun a circular shape with a radius of 20.65cm. Good ol' πr2 will gives us an area of 1339.6 cm2 (so tempted to go back and fudge the numbers so that this hits 1337 but whatever). This is about 0.134m2.

So with our monitor and image size, luminance and average pixel brightness all worked out— our Wikipedia sciencey photo of the sun— displayed on our 8K 32" monitor— is about the equivalent of having a disk shaped light putting out 87% of 400cd/m2 over an area of 0.134m2. You're big fancy monitor is lighting up your office with just over 45 lux. I'm not gonna get into how far away you're sitting from this display because at this point it's time to look at the contender in our Sun vs. 8K display competition.

 

The sun during daylight of a bright day is smacking you with about 111,000 lux.

 

Even though a dark office might seem pretty illuminated by a big shiny 8K display flexing a photo of the sun— in reality it's barely even one one-thousandth as intense.

 

Now the moon on the other hand... maybe that would be a fair fight for our 8K display! 😅

 

 

Edit: I appreciate that this was not very scientific and I haven't studied light since grade 12 physics class over 10 years ago, please feel free to poke apart this "math" if you are a physicist.

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I think you have some misconception that pixel is measurement of length. Its not. Its artificial element that represents value in RGB palette. Another misconception seems to be that area of the sun could be mapped as surface just like that. Thats not possible. When mapping ellipsoid to a 2D layer you will always have errors. We can use pixels as an example if you like. Depending on projection selected the "pixels" would either be elongated in north/south direction, or east/west direction. Or in simple terms and using Earth as example, its either correct in shapes or correct in areas, only way to represent ellipsoid correctly is as 3D shape.

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17 hours ago, Ragavron said:

8k display has apprx 33 million pixels

Average size of a human being : 5.9 inches

size of sun: 2.740157e+10

What is the apprx pixel capacity does a human being consume in a 8k display (7680 × 4320) in a photo of a sun which is being fully shown in a 8k display (the value can be apprx and it is being known it consumes not even one pixel in that 33 million pixels)

(I know hat the picture of a sun dosent consume all the pixels of a 8K display since the shape is circle)

With any 8k display showing the sun in its entirety a human would be in a dismissible rounding area under a single pixel.

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zero. using the power of photoshop since people already did the math, this is easier to understand

 

https://i.imgur.com/4Q74wfG.jpg

 

Removing the additional width, but keeping the height, the scale is accurate +/- 1px

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19 hours ago, LAwLz said:

1,391,982 kilometers

Interesting, so if everyone stand on each other's head, we'll be taller than the sun

7.5b x 1.5/1000 = 11.25million kilometers

My PCs: Desky | Beddie | Miney | Benchie

Things I need help with: (nothing at the moment)

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none atm

I hate Intel's pricing, Ryzen's weird quirks, Nvidia's pricing, and Radeon GPUs in general

Spoiler

Products I like:

Spoiler

Sony Xperia Z1 / Z2 / 10 ii, Asus Strix 970 / 1070, Samsung SSD, WD HDD, Corsair PSUs (AX, RM, CX(grey)), GeForce GPU, NZXT N450/S340, be quiet! Coolers, G.Skill Trident RAM, Logitech M525, Logitech G440, Razer Deathadder Elite

Products I hate:

Spoiler

Xperia Z3, XiaoMi 5c, Radeon GPUs, Razer Audio Products, any bloatwares

Companies I absolutely adore: (and hope it stays that way)

Spoiler

be quiet! - sent me AM4 mounting for my DRP3 even though it's way past the timeframe stated, no questions asked

Corsair - very good RMA experience, absolutely recommend

Companies I hate:

Spoiler

Nvidia, Intel, Apple, TMT (Thundermatch, a retailer)

Personal Blacklisted Companies:

Spoiler

Acer: shit tier quality products, shit tier customer service thus far, they "tried" to solve my issue but they arent really doing anything but delaying and delaying. (on-going case since July)

Gigabyte: horrible customer service (gigabyte had literally 0 customer service, asked me to go to retailer with NO WAY to email them about a question) but at least they fixed my shit in ONE MONTH (would probably take me 1 hour to fix if they let me email them)

XiaoMi Phones: built like a tank but the software is buggy as all hell

Seagate HDD: had too many dead seagate drives

Kingston SSD: 300V controller swap thingy

Razer (except their mouse)

Remember, just because I had good/bad experiences with these companies/product, doesn't mean you will have similar experiences too. I would still recommend these products if they made sense for your needs, but I'll add a disclaimer of my experience if it's relevant. Feel free to DM me asking why they are where they are.

 

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23 hours ago, Radium_Angel said:

Might as well be staring at the sun.

 

 

I love that album. Easily the most enjoyable of all there albums, every song on there is easy to listen to.

 

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1 minute ago, DavidKalinowski said:

I love that album. Easily the most enjoyable of all there albums, every song on there is easy to listen to.

 

They were in top form back then.

So rise up, all ye lost ones, as one, we'll claw the clouds

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Comment bots have come a long way.

Our Grace. The Feathered One. He shows us the way. His bob is majestic and shows us the path. Follow unto his guidance and His example. He knows the one true path. Our Saviour. Our Grace. Our Father Birb has taught us with His humble heart and gentle wing the way of the bob. Let us show Him our reverence and follow in His example. The True Path of the Feathered One. ~ Dimboble-dubabob III

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On 1/20/2021 at 8:20 AM, Radium_Angel said:

What?

I don't know what land of midgets you live in, but I"m certainly not 5.9" in size...

Think he meant 5'9"

 

Still have NO idea what he's talking about tho

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The answer is 18,365,486 pixels with a 5% give or take.

 

I have no idea how I got that number aside from basically making it up.

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And interesting flip-flop to this: If a person was 1 pixel (average male height of 5.7ft), what would be the image size of the sun: 712,545,809 x 400,807,018 if my calculator is not lying to me...

 

2.2846B feet / 5.7feet = 400,807,017.5 -> (400,807,017.5 / 9) * 16 = 712,545,809 (to get that 16:9 aspect ratio).

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