The Spectrum of a Galaxy Is Observed to Have an H

question 13

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 70 km/s/Mpc? Note that the rest wavelength of the H $\alpha$ emission line is 656.3 nm.

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Definitions:

Advantaged Groups

Groups within a society or organization that enjoy more resources, rights, or privileges compared to other segments.

Commonalities

Traits, interests, or values that are shared between individuals or groups, leading to a sense of unity or agreement.

Power

The ability or capacity to influence or control the behavior of others, the course of events, or the distribution of resources.

Lower Status Rank

A position in a social hierarchy that has less prestige, authority, or influence than higher-ranked positions.