What Mechanism Drives the Pulsations in Cepheid Variables

question 31

Multiple Choice

What mechanism drives the pulsations in Cepheid variables?

• A) changes in the rate of core nuclear reactions
• B) the formation and destruction of sunspots
• C) the ionization and recombination of hydrogen
• D) the ionization and recombination of helium
• E) large rates of mass loss

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Definitions:

Thirties

Refers to the decade of life or age span from 30 to 39 years, often marked by significant life and career milestones.

Prenatal Development

The progression of maturation and evolution inside the womb from the moment of conception to the point of childbirth.

X Chromosome

One of the two sex chromosomes, present in both males (as XY) and females (as XX), that carries genes responsible for many vital functions and traits.

Y Chromosome

A sex chromosome typically associated with male characteristics in species that have sexual reproduction, such as humans.