The Sun Has an Expected Main-Sequence Lifetime of About 10¹⁰

question 89

Multiple Choice

The Sun has an expected main-sequence lifetime of about 10¹⁰ years.What is the lifetime on the main sequence of a 2 solar mass star?

• A)1.8×10⁶ years
• B)1.8×10⁹ years
• C)1.8×10¹⁰ yearsα
• D)1.8×10¹¹ years

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Definitions:

Growth Patterns

Growth patterns refer to the characteristic ways in which individuals grow and develop physically over time, often studied to understand health, nutritional needs, and developmental progress.

Infants

Very young children, especially those from birth to one year of age, experiencing rapid physical and cognitive development.

Neonates

Newborn infants, especially within the first month after birth, emphasizing the earliest phase of life outside the womb.

Cephalocaudal Development

A pattern of growth where development proceeds from the head downward through the body.