January 23, 2017

Hello!  I’m Karl Hricko for United Astronomy Clubs of NJ and the National Space Society, bringing you the January Astronomy Update for the WNTI listening area.

It’s a new year!  But our calendar system hasn’t always been this way.  A calendar is an artificial system that we try to match up with the actual motion of the Earth around the Sun.  The problem is that there isn’t an even number of days in a year.

One of the first attempts to correct for this mismatch was made by Julius Caesar.  He replaced the Roman Calendar of 10 months with a calendar of 12 months.

Then he added a day to February every 4th year -making it a leap year.

read more