What Is Main-Sequence Fitting

question 32

Multiple Choice

What is main-sequence fitting?

• A) A method for determining the distance to a star cluster by assuming that its main sequence should line up with the main sequence on a standard H-R diagram
• B) A method for determining the age of a star cluster
• C) A way of forcing stars to fit into a standard main sequence, even when they have some unusual characteristics
• D) The way we construct an H-R diagram by plotting the surface temperatures and luminosities of stars

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Definitions:

Open-Mindedness

The willingness to consider new ideas, points of view, and experiences without preconceived judgments.

Mental Present

The concept referring to the temporal window in which the consciousness operates, encompassing the immediate perception of stimuli at a given moment.

Creativity

The ability to generate new ideas or concepts, or new associations between existing ideas or concepts.

Algorithm

An algorithm is a specific, step-by-step procedure for solving a problem or accomplishing some end, typically by a computer.