Is the Universe Really Expanding? If So,how Do We Describe

question 55

Multiple Choice

Is the universe really expanding? If so,how do we describe the expansion?

• A) It is not expanding-it is our local space that is getting smaller as we fall into a supermassive black hole,making the universe seem bigger and bigger.
• B) Space itself is expanding,carrying the galaxies (or superclusters of galaxies)with it.
• C) An infinitely small but infinitely dense clump of matter exploded,sending the galaxies (or superclusters of galaxies)hurtling out through space.
• D) The energy from all the stars is heating the universe,making it expand like a gas that is heated.

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Definitions:

Interest Rates

The cost of borrowing money or the return for investing, expressed as a percentage of the principal.

Depreciating

A decrease in the value of an asset over time, often due to wear and tear or changes in market conditions.

Exports

Goods or services sent from one country to another for sale or trade.

Imports

The act of bringing goods or services into a country from abroad for sale.