ASTR 1102 Chapter : Ch 17 Quiz From Masteringastronomy
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It is a subgiant that grows in luminosity until helium fusion begins in the central core. It is what is known as a helium-burning star, which has both helium fusion in its core and hydrogen fusion in a shell. It is a subgiant that gradually grows dimmer as its hydrogen-burning shell expands and cools. It is impossible to say: this diagram represents the life track of a 1 solar mass star. During which stage is the star"s energy supplied by primarily by gravitational contraction? ii iii: v, vi, viii, this diagram represents the life track of a 1 solar mass star. During which stage does the star have an inert (non-burning) helium core? iii iv: vi, vii, viii, this diagram represents the life track of a 1 solar mass star. Which stage lasts the longest? i iii iv: viii, vi, this diagram represents the life track of a 1 solar mass star.
