How Have Astronomers Searched for Evidence of MACHOs in the Halo

question 47

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 stars whose light is briefly amplified by gravitational lensing.

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Definitions:

Merchandise Inventory

Goods a company intends to sell in the normal course of business, tracked in an account for accounting and management purposes.

Estimated Cost

An approximation of the financial expenses associated with a project, product, or service before it is fully realized.

Physical Inventory

A process of counting all the physical goods and inventory in a store or warehouse at a specific point in time.

Merchandise Sold

The total quantity of goods that have been sold by a business within a particular period.