The luminosity of a star changes throughout its life. For a star of 1Msun, rank the stages a. Red against just before the helium flash b. Horizontal branch c. On the main sequence d. Protostar at the end of the Hayashi tracke. White dwarf

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Halfling

28 May, 13:24

The luminosity of a star changes throughout its life. For a star of 1Msun, rank the stages a. Red against just before the helium flash b. Horizontal branch c. On the main sequence d. Protostar at the end of the Hayashi tracke. White dwarf

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Boyer · Answer 1

d. Proto-star at the end of the Hayashi track. c. On the main sequence. a. Red against just before the helium flash b. Horizontal branch e. White dwarf

Explanation:

The protostar is a new star that is formed at the end of the Hayashi track and is luminosity temperature relationship of infant stars that are less than M 3. The protostar ends its period and becomes a Tauri star that is extremely luminous. After which the main sequence of the stars are formed is the next stage in stellar evolution and is dependent on its mass like the sun after this period the star turn red as it has a hydrogen-rich core and it starts to branch out displaying extreme density. The last stage is the white dwarf star as the star has degenerate and left is the exhaust core which is very dense.