If You Found a Galaxy with a Hydrogen Emission Line,normally

question 23

Multiple Choice

If you found a galaxy with a hydrogen emission line,normally found at 656.3 nm,with a measured wavelength of 756.3 nm,what would be the galaxy's redshift?

• A) 0.01
• B) 0.05
• C) 0.10
• D) 0.15

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Definitions:

Equation

A mathematical statement that asserts the equality of two expressions.

Research Hypothesis

An assertion made by a researcher that serves as the tentative answer to the research question, suggesting a potential outcome of the study.

Direct Relationship

A relationship between two variables where an increase in one variable leads to an increase in the other variable.

Degrees of Freedom

Refers to the number of independent values or quantities which can be assigned to a statistical distribution, crucial for the calculation of statistical parameters.