Fusion of Stars: Time Difference for 0.50 & 1.5 Msolar Stars

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SUMMARY

The discussion focuses on the time difference in hydrogen fusion between 0.50 Msolar and 1.5 Msolar stars. The key equation for determining the fusion duration is derived from the mass-energy conversion fraction and the luminosity of the stars. By comparing these values to the Sun's characteristics, one can calculate the specific fusion times for both star types. This analysis is essential for understanding stellar evolution and lifecycle.

PREREQUISITES
  • Basic understanding of stellar physics
  • Knowledge of mass-energy equivalence
  • Familiarity with stellar luminosity concepts
  • Ability to manipulate equations related to stellar evolution
NEXT STEPS
  • Research the mass-energy conversion process in stars
  • Study the luminosity formula for different stellar masses
  • Explore the lifecycle of low-mass versus high-mass stars
  • Learn about the Hertzsprung-Russell diagram and its implications
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Astronomy students, astrophysicists, and anyone interested in stellar evolution and the comparative study of different star masses.

blumfeld0
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How many times longer does a 0.50 Msolar star fuse hydrogen at it’s core than dose a 1.5 Msolar star?

i just need the equation and i can figure it out. i can't find anything on google

thank you
 
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I take it that you're on some sort of astronomy course and this is homework? The equation you are looking for can be easily derived by cosidering the fractions of mass that a star converts to energy and the luminocity of the star then comparing that with the values for our own star.
 

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