Why Is the Period Between Two Successive Full Moons NOT

question 39

Multiple Choice

Why is the period between two successive full Moons NOT equal to the Moon's orbital period, or sidereal month?

• A) The Earth-Moon system is also orbiting the Sun.
• B) These two time intervals are not related because full-Moon time depends on the Moon's rotation period about its own axis.
• C) The Moon's orbit is inclined at about 5° to Earth's orbital plane.
• D) The Moon's orbit is elliptical, and the Moon therefore moves irregularly around Earth.

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Definitions:

Market Interest Rates

The prevailing rate at which borrowers are willing to borrow and lenders are willing to lend in the financial market.

Annual Coupon

The annual interest payment made by a bond issuer to the bondholders, usually fixed at issuance.

Holding-Period Return

The total return received from holding an asset or portfolio of assets over a period of time, usually expressed as a percentage.

Annual Coupon Rate

An alternative term for Coupon Rate, representing the yearly interest payment made by bonds relative to their face value.