A Galaxy 200 Mpc from Us Has a Recessional Velocity

question 28

Multiple Choice

A galaxy 200 Mpc from us has a recessional velocity of about 14,000 km/s.If it emits radiation at a wavelength of 121 nm, how much is that wavelength shifted when we observe it?

• A)5.7 x 10^-12 m
• B)5.7 x 10^-10 m
• C)5.7 x 10^-9 m
• D)5.7 x 10^-7 m
• E)5.7 x 10^-6 m

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Definitions:

Cost Of Capital

The profit percentage a firm has to secure on its investments to uphold its market valuation and lure funding.

Preferred Stock

A class of ownership in a corporation that has a higher claim on its assets and earnings than common stock.

Tax Rate

The magnitude of tax imposition by the government on the revenue streams of individuals or enterprises.