Can you please post the link in the comment since I can’t copy the link from the picture
The hotter the star the brighter it is. The hottest star is a blue star and the coldest is a red star the reylay of the two would be is that the brightness depends on how hot the star is meaning how hot the matter is. Hope this helped you
Hasta luego mi amigo.
Hasta luego mi amigo nos vemos otra vez.
Hasta luego mi amigo ojalá que los vemos otra vez.
A form of corporate self-regulation integrated into a business model