Why Is the Moon's Synodic Period Longer Than Its Sidereal

question 148

Multiple Choice

Why is the Moon's synodic period longer than its sidereal period?

• A) because most months have more than 27 days
• B) because the Sun moves faster than the Moon
• C) because Earth has moved along its orbit during a sidereal period
• D) because one complete orbit of the Moon around Earth takes longer than the cycle of lunar phases

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Definitions:

Suffix

A suffix is a letter or group of letters added to the end of a word to change its meaning or function.

Suture

A stitch or a row of stitches holding together the edges of a wound or surgical incision.

Lead Away

To guide or direct someone or something away from a certain place.

Middle

The central point or part of something.