How Do Astronomers Know That Dark Matter Is "Cold

question 1

Multiple Choice

How do astronomers know that dark matter is "cold"?

• A) laboratory measurements of its properties
• B) computer simulations of structure formation
• C) measurements of its annihilation radiation
• D) gravitational lensing

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Definitions:

Monopsonist

A market condition where there is only one buyer for a product or service, giving the buyer significant power over prices.

Competitive Buyer

A buyer in a market where numerous purchasers compete to acquire goods or services, often leading to more favorable prices.

Industry Supply Curve

A graphical representation that shows the relationship between the price of a good and the total output all firms in the industry are willing to produce.

Marginal Value

Additional benefit derived from purchasing one more unit of a good.