What Property of Light Allows Astronomers to Measure the Motions

question 32

Multiple Choice

What property of light allows astronomers to measure the motions of spectroscopic binary stars?

• A) quantization of energy
• B) the varying speed of light
• C) polarization
• D) the Doppler effect
• E) refraction

---

Definitions:

Negligence

Failure to take proper care in doing something, leading to damage or injury to another party.

Unconscionable

Describes something that is extremely unfair, unreasonable, or unethical, typically in the context of a contract or agreement.

Common Carrier

A service or company that is available to the public for transport of goods or people, under the regulation of governmental agencies.

Bailor

The person who temporarily transfers possession of property to another (the bailee) under a bailment agreement.