The Spectrum of a Galaxy Is Observed to Have an H

question 36

Essay

The spectrum of a galaxy is observed to have an H $\alpha$ emission line at a wavelength of 856.3 nm.What is its distance if the Hubble constant is 22 km/s/Mly? Note that the rest wavelength of the H $\alpha$ emission line is 656.3 nm.

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Definitions:

Work Roles

The functions or responsibilities assigned to individuals in a professional setting.

Delegate Effectively

The skill of assigning responsibilities and tasks to others in a manner that ensures successful completion and efficiency.

Authority

The power or right to give orders, make decisions, and enforce obedience, often backed by laws or by the consensus of a group.

Relevant Information

Data or facts that are directly related and significant to the matter at hand.