Which of These Fall Within the Typical Range of Dimensions

question 53

Multiple Choice

Which of these fall within the typical range of dimensions of a giant molecular cloud in interstellar space?

• A) mass of about 1000 solar masses in volume with a diameter of about 1000 ly
• B) mass of about 1 million solar masses in volume with a diameter of about 100 ly
• C) mass of about 1 million solar masses in volume with a diameter of about 100 au, about the size of the solar system
• D) mass of about 1000 solar masses in volume with a diameter of about 100 ly

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Definitions:

Time Series

A sequence of data points collected or recorded at successive times, usually at uniform intervals.

Cross-Sectional

A type of study or analysis that examines data from a population at one specific point in time.

Cross-Sectional

A type of observational study that involves the analysis of data collected from a population, or a representative subset, at one specific point in time.

Time Series

A sequence of data points, typically consisting of successive measurements made over a time interval.