The full moon of November arrives on Sunday and will bring with it a cosmic addition: It will also be a so-called “blue moon.”
“But wait a minute,” you might ask. “Isn’t a ‘blue moon‘ defined as the second full moon that occurs during a calendar month? Sunday’s full moon falls on Nov. 21 and it will be the only full moon in November 2010. So how can it be a ‘blue’ moon?”
Indeed, November’s full moon is a blue moon – but only if we follow a rule that’s now somewhat obscure.
It’s a pretty fascinating story, all told. And there’s probably a lesson in there about how we now quantify using months instead of seasons, and how that parallels the shift from a more agrarian lifestyle or something. Either way, it’s a good excuse to have a beer and toast our natural satellite.
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.