What Distance Method Is Used to Determine the Distance to the Most

question 113

Multiple Choice

What distance method is used to determine the distance to the most distant galaxies?

• A)radar echo
• B)supernova observations
• C)the period-luminosity relationship of variable stars
• D)parallax

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Definitions:

Nonexcludable

Nonexcludable goods are those that cannot feasibly or reasonably be kept from individuals who do not pay for them, one of the characteristics of public goods.

Nonrival

A characteristic of a good whereby one person's consumption does not prevent or decrease the ability of others to enjoy it as well.

Private Good

A product or service that is consumed by a single individual or household and cannot be used or consumed by others simultaneously.

Pizza

A popular Italian dish consisting of a usually round, flat base of leavened wheat-based dough topped with tomatoes, cheese, and often various other ingredients, which is then baked at a high temperature.