Match the following events or labels to the given Hertzsprung-Russell diagram. The figure represents the pre main-sequence evolution of a low mass star. "A," "B," and "C" refer to the axes of the diagram. Use one letter for each question.
Correct Answer:
Q2: Where is the Trapezium found?
A) in the
Q13: Low mass stars like the Sun transport
Q18: Which trigger could start the gravitational contraction
Q20: The ISM magnetic field is typically about
Q20: As the protostar contracts gravitationally, it will
Q22: How do low-mass stars in the lower
Q23: Eighty percent of the stars on the
Q23: What istheresistanceofagastotheflowofradiation?
A) degeneracy
B) conduction
C) opacity
D) hydrostatic pressure
E)
Q34: Hydrostatic equilibrium is the balance between _
Q40: During the main sequence lifetime of a
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