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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 of 393.3 nm.What is the approximate radial velocity of this star?
Workload
The amount of work assigned to or expected from a person or group within a given time frame.
Stress Test
A medical test that assesses how a person's heart functions during physical activity or under pharmacological stimulation.
Magnifying Lens
An optical lens or combination of lenses used to enlarge the appearance of objects.
Bright Light
Intense, vivid light that is significantly brighter than the surrounding environment, often used in therapy to treat certain mood disorders.
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