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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
An evolutionary track of a star is

(a)   the line traced across the Hertzsprung-Russell diagram as Luminosity and Temperature changes during the star’s evolution.
(b)   the line traced out across a Hertzsprung-Russell diagram delineating the Luminosity-Temperature values of stars that have just become pre-main-sequence stars.
(c)   the line across the Hertzsprung-Russell diagram marking the Luminosity-Temperature values for stars that have begun to generate energy in their interiors by nuclear fusion.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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doit_the_clown Author
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7 years ago
Good timing, thanks!
Lawson1981
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Yesterday
this is exactly what I needed
amandamraz
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2 hours ago
Thanks
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