Why is the temperature axis on the Hertzsrpung-Russell diagram inverted?
<p>The Hertzsprung–Russell diagram is arguably one of the most important tools used in Astronomy today. It demonstrates the relationship between a stars’ luminosity and temperature and relates to the phases in the life of a star-from Main Sequence, to Giant and finally a White Dwarf. One might notice upon inspection, that the x-axis which represents the temperature of the star is inverted i.e. decreasing from right to left. Why did scientists collectively decide to do this? As a humble A-Level student, I immediately had questions. Unfortunately, the specification does not explain why this is or how it came to be. So, I took it upon myself to investigate the topic.</p>
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