The x-axis of the graph represents the surface temperature of the star measured in Kelvin. Remember that Kelvin is the standard unit of measure of temperature for Astronomy.
Units
The y-axis of the graph represents the luminosity (brightness) of the star which is measured in "solar units" represented by numbers of 10 changing exponentially.
The x-axis of the graph represents the surface temperature of the star measured in Kelvin. Remember that Kelvin is the standard unit of measure of temperature for Astronomy.
The x-axis of the graph represents the surface temperature of the star measured in Kelvin. Remember that Kelvin is the standard unit of measure of temperature for Astronomy.
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