Once in a blue moon


	Once in a blue moon

willhelm

6-29-2008 12:31 AM

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/72f0f713-cdaa-4425-a67a-44b52e31ab22/59DA4E2B-0C47-473D-A1A9-988D84F0BDFE/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.obliquity.com/astro/bluemoon.html" href="http://www.obliquity.com/astro/bluemoon.html" style="font-size: 11px;">www.obliquity.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.obliquity.com/astro/bluemoon.html"><P>
The average interval between Full Moons is about 29.5 days, whilst the
length of an average month is roughly 30.5 days. This makes it very unlikely
that any given month will contain two Full Moons, though it does sometimes
happen.
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.obliquity.com/astro/bluemoon.html"><P>
According to the popular definition, it is the second Full
Moon to occur in a single calendar month.
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.obliquity.com/astro/bluemoon.html"><P>
On average, there will be 41 months that have two Full Moons in every century,
so you could say that <EM>once in a Blue Moon</EM> actually means <EM>once
every two-and-a-half years</EM>.
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.obliquity.com/astro/bluemoon.html"><table background="undefined" bgcolor=""><tr><TD><H2>Blue Moon Calculator</H2>
Is there a <EM>Blue Moon</EM> this year?  Next year?  The year I was born?
<P>
The <A href="http://www.obliquity.com/cgi-bin/bluemoon.cgi">Blue Moon Calculator</A> knows the answer!
</P></TD></tr></table></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/59DA4E2B-0C47-473D-A1A9-988D84F0BDFE/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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