Stellar Parallax Is the

question 8

Multiple Choice

Stellar parallax is the

• A) inferred change in the distance to a star as its light is dimmed by passing through an interstellar cloud.
• B) apparent shift seen in the position of a nearby star against more distant stars as Earth orbits the Sun.
• C) difference between the apparent and absolute magnitudes of a star.
• D) circular or elliptical motion of a star in a binary system as the two stars orbit each other.

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Definitions:

Consumption

The use of goods and services by households. It is a primary component of economic activity and a key indicator of economic health.

Dissaving

Dissaving occurs when expenditures exceed income, leading to a depletion of savings or the accumulation of debt.

APC

The abbreviation for Average Propensity to Consume, which is the fraction of income that is spent on consumption rather than saved.

Marginal Propensity

This term explains the tendency of an individual or household to spend an additional unit of currency. For example, the marginal propensity to consume indicates how much consumption will increase with an additional dollar earned.