Which Is More Common: a Star Blows Up as a Supernova

question 21

Multiple Choice

Which is more common: a star blows up as a supernova, or a star forms a planetary nebula/white dwarf system?

• A) Planetary nebula formation is more common.
• B) Supernovae are more common.
• C) They both occur in about equal numbers.
• D) It is impossible to say.

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Definitions:

Observation

The action or process of closely monitoring or noting phenomena as they occur in a systematic manner for data collection.

Chi-square Statistic

A measure used in statistics to evaluate how well observed data fit expected outcomes under a specific hypothesis, often related to categorical data.

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution.