Leap years occur because
A) Earth's orbital period around the Sun is decreasing.
B) Earth's orbital period is 365.24 days.
C) the Gregorian calendar contains only 11 months.
D) Earth speeds up in its orbit when it is closest to the Sun.
E) a calendar month is not the same as a lunar month.
Correct Answer:
Verified
Q46: If there is a full Moon tonight,
Q47: How often do leap years occur?
A) almost
Q48: Living in the Northern Hemisphere, you see
Q49: If tonight the Moon is in the
Q50: The Moon's sidereal period is 2.2 days
Q52: In the figure below, at which position
Q53: At what time does a third quarter
Q54: The Moon undergoes synchronous rotation, and as
Q55: A purely lunar calendar is not ideal
Q56: In regard to the phase of the
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