When a Spectral-Type G2 Star Like the Sun Leaves the Main

question 64

Multiple Choice

When a spectral-type G2 star like the Sun leaves the main sequence:

• A) its luminosity and surface temperature both stay the same
• B) its luminosity and surface temperature both decrease
• C) its luminosity increases and its surface temperature decreases
• D) its luminosity and surface temperature both increase
• E) its luminosity decreases and its surface temperature increases

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Definitions:

Hypothesis

A prediction or educated guess based on existing knowledge that can be tested through further investigation or experimentation.

Z-scores

Standardized scores indicating how many standard deviations an element is from the mean of its distribution.

P-values

Represent the probability that the observed data would occur by chance under the null hypothesis in statistical tests.

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