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    5. how many days in one year
    how many days in one year

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    0  Views: 692 Answers: 1 Posted: 13 years ago
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       The true length of a year on Earth is 365.2422 days, or about 365.25 days. The calendar in sync with the seasons by having most years 365 days long but making just under 1/4 of all years 366 day "leap years".


      A leap year is a year with one extra day inserted into February, which will have 29 days. Leap year's are needed to keep the calendar in alignment with the earth's revolutions around the sun.


      https://pumas.gsfc.nasa.gov/examples/index.php?id=46


       

      11 years ago. Rating: 2
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