Herschel's Grindstone and Kapteyn's Star System Were Too Small Because

question 23

Multiple Choice

Herschel's grindstone and Kapteyn's star system were too small because

• A) they did not count the brightest stars.
• B) they did not study the southern sky.
• C) they did not have large enough telescopes.
• D) they only observed stars in the disk of the galaxy and not the halo.
• E) they did not know about interstellar dust clouds.

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Definitions:

Mean

The arithmetic average of a set of numbers, obtained by adding them together and dividing by the count of those numbers.

Correlation Coefficients

Statistical measures that describe the strength and direction of the relationship between two variables.

Relationship

refers to a connection, association, or involvement between two or more individuals, groups, or entities.

Scatterplot

A graphical representation used to display values for two variables for a set of data, showing how much one variable is affected by another.