"Two Blue Moons For 1999! and: The Big Blue Moon Brouhaha"

Scheduled air date: 1999 Jan 25-31

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If two Full Moons occur within the same month—something which only happens about once every two-and-a-half years—we call the second Full Moon a "Blue Moon."
But this year, we not only have a "Blue Moon" in January (Full Moon on both the 1st and 31st)...

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...but again only two months later in March (Full Moon on both the 1st and 31st)!   This even rarer event occurs only every 20-40 years, and always when February contains no Full Moons.

If you wish to view illustrations for other episodes, please see our Star Gazer Illustrated directory.

Illustrations on this page were created using TheSky Astronomy Software, an advanced desktop planetarium program designed for Windows.

Copyright 1999-2006 by Software Bisque, Inc.