The Age of the Milky Way Galaxy Has Been Estimated

question 64

Multiple Choice

The age of the Milky Way galaxy has been estimated to be at least 13 billion years.What is this estimate based on?

• A)observations of globular clusters
• B)observations of open clusters
• C)21-cm radiation from H I regions
• D)radiation produced at the centre of the galaxy

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Definitions:

Supply Shifted

A change in the quantity of a good or service that suppliers are willing and able to sell at all possible prices, typically due to factors like changes in technology or costs.

Inverse Demand Curve

A graph that shows the relationship between the price of a good and the quantity demanded, plotted with price on the vertical axis and quantity on the horizontal axis.

Equilibrium Price

The rate at which the amount of a good or service sought by consumers is equal to the amount available, achieving a state of market equilibrium.

Substitutes

Products or services that can replace or act as alternatives to another, affecting consumer choices and market dynamics.