The Type II Supernova That Created the Crab Nebula Was

question 21

Multiple Choice

The Type II supernova that created the Crab Nebula was seen by Chinese and Arab astronomers in the year 1054 CE..Assuming that the nebula is about 6,500 light-years from us, we know the star must have exploded approximately in the year

• A) 554 CE.
• B) 1054 CE.
• C) 1054 BCE.
• D) 5447 BCE.
• E) 7555 BCE.

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Definitions:

Measurements

The act or process of determining the size, length, or amount of something typically using standard units.

Outlier

An observation in a data set that is distant from other observations, potentially indicating a variance issue, measurement error, or novel discovery.

Box and Whisker Plot

A graphical representation of data that shows the distribution of data points based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.

Five-number Summary

A statistical summary that includes the minimum, the first quartile, the median, the third quartile, and the maximum of a data set.