If You Found a Galaxy with an Hα Emission Line

question 2

Multiple Choice

If you found a galaxy with an Hα emission line that had a wavelength of 756.3 nm,what would be the galaxy's distance if the Hubble constant is 70 km/s/Mpc? Note that the rest wavelength of the Hα emission line is 656.3 nm.

• A)650 Mpc
• B)760 Mpc
• C)3,200 Mpc
• D)6,400 Mpc
• E)7,600 Mpc

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Definitions:

Ethical Decision Making

The method of appraising and selecting from different options in a way that aligns with moral values.

Organizational Decision Making

The process by which organizations analyze problems and make choices that influence their goals and operations.

Code of Ethics

A set of principles and standards that guide the behavior of an individual or organization in a professional context.

Ethical Dilemma

A situation where a difficult choice has to be made between two or more conflicting moral principles.