In the Following Image, the _____________ Is the Gravitational Lens

question 4

Multiple Choice

in the following image, the _____________ is the gravitational lens and the ___________ is the lensed object.

• A)distant galaxy, cluster
• B)cluster, distant galaxy
• C)cluster, star
• D)star, cluster

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Definitions:

Excludable

A feature of a product or service enabling the proprietor to prohibit its use by others without authorization.

Public Goods

Goods that are non-excludable and non-rivalrous, meaning they are available for everyone to use without reducing availability to others, such as public parks or national defense.

Common Resources

Resources that are non-excludable but rivalrous, meaning they are available to everyone, but one person's use diminishes another's ability to use it.

Nonrival in Consumption

A characteristic of some goods where one person's consumption does not reduce the availability of the good for consumption by others.