What Do Astronomers Mean When They Say That the Universe

question 57

Multiple Choice

What do astronomers mean when they say that the universe is isotropic?

• A) Far away parts of the universe look just like nearby parts.
• B) All galaxies are spiral galaxies like our own.
• C) Intergalactic gas has the same density everywhere in the universe.
• D) The laws of physics apply everywhere in the universe.
• E) The universe looks the same no matter what direction you look.

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Definitions:

Increase Demand

A rise in the quantity of a product or service that consumers are willing and able to purchase at a given price, usually due to factors like income growth, price decrease of the good, or changes in tastes and preferences.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity demanded by consumers at various price levels.

Slopes Upward

Describes a line or curve on a graph that represents an increase in the variable on the y-axis as the variable on the x-axis increases, suggesting a positive relationship between the two variables.

Giffen Good

A product that experiences an increase in demand as its price rises, contrary to standard economic theory, due to its role as a staple good.