You Record the Spectrum of a Star and Find That

question 18

Multiple Choice

You record the spectrum of a star and find that a calcium absorption line has an observed wavelength of 394.0 nm. This calcium absorption line has a rest wavelength is 393.3 nm; what is the radial velocity of this star?

• A) 5,000 km/s
• B) 500 km/s
• C) 50 km/s
• D) 5 km/s
• E) 0.5 km/s

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Definitions:

Outcome

The result or consequence of a particular action, decision, or event in a given scenario.

Repeated Games

A strategic situation where individuals or firms face the same opponents in a series of interactions, allowing for the development of strategies over time.

Simultaneous

Occurring, operating, or done at the same time.

Sequential

Describes processes, events, or things that follow one after the other in a specific order or sequence.