If an Observer Could Watch the Sun Moving Day by Day

question 358

Multiple Choice

If an observer could watch the Sun moving day by day against the background stars, it would follow

• A) the ecliptic.
• B) no specific or fixed path because Earth's tilt axis varies through the year, although it would remain within the zodiac.
• C) the celestial equator.
• D) a great circle crossing the celestial equator at right angles.

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Definitions:

Ordinary Annuity

Invariable payments issued at the terminal of consecutive intervals over an exact length of existence.

Nominal Interest

The rate of interest before adjustments for inflation, as opposed to real interest rates which are adjusted.

Effective Rate

The actual annual interest rate that is earned or paid on an investment, taking compounding into account.

Compounding Interval

The frequency with which interest is added to the principal balance of an investment.