Why are there no Purple Stars? or Green Stars?

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VIDEO ANNOTATIONS/CARDS

How Do We Know Things About Stars?

The Color White Does NOT Exist:
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RELATED YOUTUBE VIDEOS

MinutePhysics on Chromaticity:

SciShow Psych on Color Perception:
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LINKS TO COMMENTS

[ScienceAsylum]

*Note:* You won't find colors like brown or grey on the chromaticity graph in this video because it's only a 2D slice of the _actual_ graph. Actual chromaticity requires a third axis, a lightness/darkness axis, to show the darker versions of colors. Brown is dark orange, grey is dark white, etc.

[swaxtastic]

When you don’t think you’re going to learn anything and end up learning everything.

[RobsRepairs]

So in theory: if you filtered out the red and blue from an entire star in a giant Dyson sphere. You would form the most obvious “lighthouse” to other life in the galaxy... a green star?

[AndrewDotsonvideos]

I love when I see a simple question like this that never would have even crossed my mind

[misakamikoto]

How to find out that you're dreaming:
Normal person: Look at clock or pinch themselves.
Crazies: Try to find a green or purple star with telescope.

[Queen_Of_Discord]

“Why are there no green stars?”

Me, an intellectual: *laughs in super mario galaxy*

[neildahlgaard-sigsworth]

I've often seen green and purple stars, but only when I've banged my head hard enough.

[tom_something]

The comprehensive recap at the end was a nice touch. Temperature is such an interesting concept, and many things that seem mysterious suddenly make sense when the distribution of kinetic energy is considered.

[spikelink]

If homestuck has taught me anything, is that a green sun is bad news.

[Lucky]

"Those colors are thermodynamically inaccurate!"
I don't why, but I love this quote.

[TheRealGuywithoutaMustache]

This is the type of info you’ll never learn in school. I’m thankful for this channel.

[ronnyvbk]

Congrats on the sliding emission curve with higher surface temperatures through the visible spectrum, it makes things more ... eh ... 'visible'. Thanks to include also the link to human vision spectral sensitivity.

[calyodelphi]

You are seriously one of the absolute best science teachers I've seen. Please don't stop doing what you're doing. <3

[AnAverageItalian]

I love how all the red stars shown in the video have sunglasses, because they're the "coolest" ones

[amjadsharifa]

you're simply amazing, I've finally understood the monochromatic curve and the chromaticity graph thanks to your creative way of explaining stuff. Thank you <3

[rarra]

“Science names: they are boring, but descriptive” 🤣

[Frankness]

For this video you get a Gold star sir.

[zizimo]

Magnificent video Nick. You are constantly wanting to explain every single detail of every physical phenomena to make it less abstract and accessible for many people. And this is rare in education, thats why i admire your work A LOT

[IncroyablesExperiences]

Why violet is on the edge while it's after the limit of our blue sensor? It cannot be a mixed color from other green and red senors since more violet means less green and red response (it's not a monochromatic color).
In RGB code violet corresponds to a blue with some red, but violet should be a dark blue according the eye cone cells response.
In HSL code the hue is a loop, blue and red are smoothly connected with the violet.
I really want to understand!

[Voxel-hk]

“And yes the sun is white”
Me:my whole life is a lie....