Home › NY Regents Earth and Space Sciences › Science › Earth, Moon, and Sky › The time the Moon needs to complete its full cyc…
The time the Moon needs to complete its full cycle of phases is called what?
AThe season
BThe year
CThe month
DThe week
Answer & Solution
Correct answer: C. The month
1. Calendars are built from natural time intervals set by Earth and the Moon.
2. The day comes from Earth's spin and the year from Earth's trip around the Sun.
3. The interval the Moon needs to run through its phases is the month.
_Source: OpenStax Astronomy (CC BY 4.0), Ch 4 "Earth, Moon, and Sky" and Ch 5 "Radiation and Spectra", section 4.4 The Calendar_
Related questions
Far more people can watch a given lunar eclipse than a given solar eclipse. What is the reTidal friction is slowing Earth's spin, yet the angular momentum of the Earth and Moon togIt is midnight and a fully lit Moon is high overhead. Two weeks later, what will the midniA star rises at 9:00 p.m. tonight. About what time will it rise one month from now?Imagine Earth had an axis tilted by 16 degrees instead of 23. What would the gap in latituWhy is there no eclipse at every new moon and every full moon?The Moon is far smaller than the Sun, yet it can cover the Sun exactly. What makes that poWhen the Sun and Moon line up at new moon or full moon, what happens to the tides?