What Is a "Main Sequence Star

question 17

Multiple Choice

What is a "main sequence star"?

• A) a star that falls in a band in a band on the H- R Diagram with most other stars
• B) a star that is aligned with many other, similar colored stars
• C) a star that shows the same trend in distance from earth and temperature as many other stars
• D) a star that is in a group of stars with similar ages and sizes
• E) a star that is statistically indistinguishable from 90% of all stars

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Definitions:

Gametes

Reproductive cells (sperm in males and eggs in females) that unite during sexual reproduction to form a new organism.

Chromosomes

Long strands of DNA wound around proteins, located in the cell nucleus, carrying genetic information.

Genotype

Genetic makeup of an individual.

Phenotype

Characteristic observed in an individual due to the expression of his or her genotype.