heat articles

Which color type of star is hotter?

The color emanating from a star offers a direct and immediate indication of its surface temperature [^1]. When observing...

How hot are the cores of stars?

The center of a star is the universe’s most extreme furnace, a place where matter is pressed and heated to conditions th...

What is the purpose of thermal protection?

The fundamental purpose of thermal protection is to manage, restrict, or control the flow of heat to prevent materials o...

Would a purple star be the hottest?

The visual spectrum of stars presents a fascinating palette, leading many to wonder about the theoretical extremes, such...

What limits the efficiency of heat engines?

The quest to convert heat into useful work has driven technological advancement for centuries, yet every machine designe...