(Answered) 1 do all stars emit the same energy throughout the

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1. Do all stars emit the same energy throughout the electromagnetic spectrum?

2. An H-R diagram plots luminosities of stars against their temperatures. Why was this such an important discovery? What current research is making use of the H-R diagram information?

3. What determines the life cycle of a star? What changes occur inside and outside a star during its life cycle?

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