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    Physics & Astronomy
  3. Study Set
    Horizons Exploring the Universe
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    Exam 9: The Formation and Structure of Stars
  5. Question
    What Must Occur for an Object to Be Considered a Main-Sequence
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What Must Occur for an Object to Be Considered a Main-Sequence

Question 11

Question 11

Multiple Choice

What must occur for an object to be considered a main-sequence star


A) hydrostatic equilibrium
B) nuclear fusion reaction in the core
C) protostar life begins
D) hydrostatic equilibrium and nuclear fusion reaction in the core

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