question archive What is the single most important characteristic in determining the course of a star's evolution? a
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What is the single most important characteristic in determining the course of a star's evolution?
a. Density
b. Surface temperature
c. Mass
d. Luminosity
What is the correct answer and why?
Answer: c. Mass
The mass is the key factor for the star evolution. The high mass stars may end their life as supernova, neutron star, and or black hole. The low mass stars may end their life as planetary nebula and white dwarf. So, the mass of star can influence the life span and evolution of the star.