A Open Star Cluster Will Have A(n) _____________ Turn-Off Point

Q37: The helium flash stage will always completely

Q38: Observing star clusters will give astronomers needed

Q39: Why is the Cepheid's period related to

Q40: Brown dwarfs are _.<br>A) stars with a

Q41: Stars support their weight by generating _.<br>A)

Q43: Helium fusion is sometimes referred to as

Q44: All the elements heavier than helium on

Q45: List the four laws of stellar structure.

Q46: A(n) _star is any star that changes

Q47: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8862/.jpg" alt=" Figure: Main-Sequence Stars