The Text States That Luminous Matter in the Milky Way

question 74

Multiple Choice

The text states that luminous matter in the Milky Way seems to be much like the tip of an iceberg. This refers to the idea that .

• A)luminous matter emits white light, much like the light reflected from icebergs
• B)dark matter represents much more mass and extends much further from the galactic center than the visible stars of the Milky Way
• C)black holes are much more interesting than ordinary stars that give off light
• D)the luminous matter of the Milky Way is essentially floating on the surface of a great sea of dark matter

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Definitions:

Disposable Income

The amount of capital available for household expenditures and savings once income taxes have been removed.

Inventory

The goods and materials that a business holds for the ultimate goal of resale or repair.

Depreciation

The gradual decrease in the economic value of the capital stock of a firm, nation, or other entity, either through physical wear and tear or obsolescence.

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The total amount of investment in new capital assets minus the depreciation on existing assets, indicating growth in an economy's productive capacity.