Why Is Iron Significant to Understanding How a Supernova Occurs

question 44

Multiple Choice

Why is iron significant to understanding how a supernova occurs?

• A)Iron is the heaviest of all atomic nuclei,and thus no heavier elements can be made.
• B)Supernovae often leave behind neutron stars,which are made mostly of iron.
• C)The fusion of iron into uranium is the reaction that drives a supernova explosion.
• D)Iron cannot release energy either by fission or fusion.

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Definitions:

P Value

The probability of obtaining test results at least as extreme as the ones observed during the test, assuming that the null hypothesis is true.

Degrees of Freedom

The number of independent pieces of information used to estimate a parameter or calculate a statistic, often linked to the sample size.

P Value

The probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is true.

Statistical Power

Probability of rejecting the null hypothesis when the alternative hypothesis is true.