Put in order, from earliest to latest, the sequence of events that lead to a star becoming a red giant. If statement A id first, B is second, etc. then enter ABCDEF A) The increase in total energy production causes the envelope to expand and cool.   B) Regions around the core that were previously too cool for fusion to occur now begin fusion.   C) Hydrogen in the core is completely used up and fusion stops.   D) A bigger, cooler and more luminous star has become a red giant.   E) Hydrogen fusion in the shell intensifies due to higher temperatures. F) The core, without a source of energy, contracts and heats up.

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Put in order, from earliest to latest, the sequence of events that lead to a star becoming a red giant. If statement A id first, B is second, etc. then enter ABCDEF

      A) The increase in total energy production causes the envelope to expand and cool.

 

      B) Regions around the core that were previously too cool for fusion to occur now begin fusion.

 

      C) Hydrogen in the core is completely used up and fusion stops.

 

      D) A bigger, cooler and more luminous star has become a red giant.

 

      E) Hydrogen fusion in the shell intensifies due to higher temperatures.
      F) The core, without a source of energy, contracts and heats up.

 

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