How Have Astronomers Searched for Evidence of MACHOs in the Halo

question 10

Multiple Choice

How have astronomers searched for evidence of MACHOs in the halo of the Milky Way?

• A) They search for stars that are binary companions of MACHOs.
• B) They search for rapidly moving massive gas clouds.
• C) They search for disturbances in the background of gravitational waves.
• D) They search for distant stars with light briefly amplified by gravitational lensing.
• E) They search for close binary stars undergoing mass transfer.

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Definitions:

Bilateral Mistake

A misunderstanding where both parties involved in a contract have an incorrect belief about a basic assumption on which the contract is based.

Mistake Of Value

An error made by one or both parties at the time of entering into a contract, regarding the value or worth of the subject matter of the contract.

Voidable

Refers to a contract that is valid and enforceable unless challenged and declared void by a party to the contract who is deemed to have been disadvantaged or defrauded.

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The intentional provision of false statements or concealment of information to deceive or mislead another party.