Exoplanets Have Been Detected Around Binary Stars Through

question 47

Multiple Choice

Exoplanets have been detected around binary stars through

• A) their effects on the spectra of the stars.
• B) the slow increase in the orbital period of the stars, induced by the planet's gravity.
• C) the slow decrease in the orbital period of the stars, induced by the planet's gravity.
• D) their effects on the timing of eclipses of the stars.

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Definitions:

Null Hypothesis

A hypothesis that suggests there is no statistical significance in a set of given observations, asserting that any observed difference is due to chance.

Uniformly Distributed

Describes a distribution where all outcomes are equally likely, or a variable where all intervals of the same length have the same probability.

Level Of Significance

The threshold below which a result is considered statistically significant, often set at a rate like 5%, indicating the probability of rejecting a true null hypothesis.

Null Hypothesis

The null hypothesis is a type of hypothesis used in statistics that proposes there is no statistical significance in a set of given observations, serving as a default position until evidence suggests otherwise.