The Main-Sequence Lifetime of a Star Is Given by the Equation

question 51

Multiple Choice

The main-sequence lifetime of a star is given by the equation:

• A)τ ∝ M/L
• B)τ ∝ L/M
• C)τ ∝ M²/L
• D)τ ∝ L²/L
• E)τ ∝ M/L²

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Definitions:

Birth

The process of giving life through the delivery of a baby from the womb to the external world.

Home Births

The practice of giving birth in a non-clinical setting, typically one's own home, with the assistance of a midwife or doula.

Hospitals

Institutions where people receive medical or surgical treatment and care.

Birthing Centers

Specialized healthcare facilities focused on providing a more natural, family-oriented childbirth experience, typically with fewer medical interventions than hospitals.