GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the graph that shows the relations between a star’s surface temperature and absolute magnitude(luminosity)?
A
H-R Diagram
B
Star Cluster Map
C
Einstein’s Diagram
D
Newton’s Chart of Stars
Explanation: 

Detailed explanation-1: -Hertzsprung-Russell diagram, also called H-R diagram, in astronomy, graph in which the absolute magnitudes (intrinsic brightness) of stars are plotted against their spectral types (temperatures).

Detailed explanation-2: -In a true HR diagram, you would plot the effective temperature of a star on the X-axis and the luminosity of a star on the Y-axis.

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