Why is the temperature axis on a H-R diagram the wrong way around?

>>8925770
My guess: because a sun is hot at first, and then slowly turns colder with age. The x axis is more like a time axis.

Why is blue hotter than white?

>>8925861
Because the peak is in UV, so blue is the strongest part of the visible spectrum because it's closest to UV.

because astrophysicists are retarded

>>8926273
Fuck you cuntbag. You've no idea how hard it is

>>8925770
Because Energy density is the dependent variable in the planck equation.

>>8926298

For retards, even tying shoes can be a challenge

File: ngc3190_hstlegacy_big.jpg (2MB, 3700x3018px) Image search: [Google]

2MB, 3700x3018px

>>8925770

Somebody post green stars

File: CzNH1.gif (3KB, 488x432px) Image search: [Google]

3KB, 488x432px

Because originally it was not temperature on the HR diagram but spectral class. Later HR diagrams had colour plotted on the x axis as a colour-magnitude plot, B-V for example. Temperature is plotted so that the plot has the same shape as it always has.

>>8926546
There are none desu

>>8925770
It's more intuitive.

The evolution of a star involves traveling down the main sequence, and either hitting a fat rebound and going towards hot and bright if massive enough, sag off towards hot and dim if average, or poop off as brown dwarfs if small.

It all pretty much follows exactly from the main sequence, and it being a left-right thing is probably just a convention because astrophysicists don't waste their time obfuscating diagrams meant to explain things easily.

>>8926889
>white dwarfs
>mostly blue
Astrophysicists BTFO

>>8925770
Perhaps it's referencing peak wavelength emission, which could be roughly translated into temperature (although the scale would appear reversed).

temperature is a proxy for wavelength from Wein's Law.
Shorter wavelengths are hotter, so we have temperature increasing to the left towards smaller wavelengths.