The Smallest Mass That a Main-Sequence Star Can Have Is

question 15

Multiple Choice

The smallest mass that a main-sequence star can have is about 0.08 solar mass.The reason for this is that

• A) the temperature in the core of a contracting protostar of less than 0.08 solar masses does not get high enough for nuclear reactions to start.
• B) protostars cannot form with masses less than 0.08 solar mass.
• C) thermonuclear reactions begin so suddenly in stars of less than 0.08 solar mass that the star is disrupted by an explosion.
• D) protostars of less than 0.08 solar masses are not massive enough to contract.

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Definitions:

Cardiac Cycle

The sequence of events in the heart during one heartbeat, including contractions (systole) and relaxations (diastole) of the atria and ventricles.

Cardiac Patients

Individuals diagnosed with heart conditions that require medical management, monitoring, and sometimes surgical interventions to maintain heart health.

Prescribed Medication

Drugs or medicines that are given by a healthcare provider or physician to treat or prevent disease, requiring a prescription to be dispensed.

ECG Cycles

The series of electrical events during a single heartbeat, represented graphically in an electrocardiogram, which includes the P wave, QRS complex, and T wave.