Advertisement. Airbus, which is under increasing pressure to prove the viability of its A380 production rates, yesterday conceded that it still needs to fill a âsingle-digit numberâ of production slots for the type in 2015.dvertisement. Airbus, which is under increasing pressure to prove the viability of its A380 production rates, yesterday conceded that it still needs to fill a âsingle-digit numberâ of production slots for the type in 2015.
Where did the phrase 'once in a blue moon' come from? A folklorist traces the convoluted evolution of the phrase, while discussing why it adopted the many meanings it has throughout history.
There are two definitions of a Blue Moon in astronomy; both are a type of Full Moon. If the moon actually looks blue, it's caused by a rare type of dust in the atmosphere. If the Moon looks blue, it is caused by dust. When volcanoes erupt, the dust particles can cause the Moon to appear blue. Â©bigstockphoto.com/Kamira.