When purple is dominant, the white offspring of purple and white parents will be ___.
Tonight we will have a full moon. But it's not just any full moon. The full moon has two special characteristics. It's technically happening just after midnight - on Friday the 13th. The full moon is also what astronomers call a Super Moon.. The full moon on Friday the 13th is a rarity. According to David DeBruyn, emeritus director for the Chaffee Planetarium in Grand Rapids, a full moon on Friday the 13th hasn't happened since October 2000. He also says the next full moon on Friday the 13th won't occur until August 2049.
View full size image. UPDATE: The first photos are in for August's full moon! Read some of the reactions from the stargazers behind the photos: Blue Moon Majesty Wows Stargazers (Photos). When the full moon rises tonight (Aug. 20), it will technically be a Blue Moon, but not for the reason you might think.he Blue Moon tonight is not the second full moon of August, but actually gets its name from a relatively obscure rule of astronomy. And there are a few other details about the full moon that might surprise you.