THERE will be a blue moon on Thursday as New Year's Eve revellers welcome in 2010--the first time since 1990 that a blue moon has coincided with the end of the year. A blue moon--the second full moon in a calendar month--happens only every 2½ years on average. This month, full moons occur on December 2 and December 31. Astronomer David Reneke from Australasian Science magazine said it was rare for the event to happen on New Year's Eve--another blue moon will not fall on the last day of the year until 2028. "While everyone's celebrating they should also take a moment and look up into the night sky"
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Lixy Wallace
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