The Spectrum of a Galaxy Is Observed to Have a Hydrogen

question 6

Essay

The spectrum of a galaxy is observed to have a hydrogen emission line,normally found at 656.3 nm,with a measured wavelength of 928.7 nm.What is its redshift?

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Definitions:

Tax Refund

A reimbursement to a taxpayer of any excess amount paid to the government over the tax liability.

Garnish

To legally seize funds directly from a debtor’s paycheck or bank account to pay off a debt.

Federal Benefits

Financial or non-monetary assistance provided by the government to eligible individuals, families, or organizations.

Lien

A legal right or interest that a creditor has in the debtor's property, serving as security for the debt or charge.