👉 Pycnometochic is a term used in astronomy, specifically referring to the phenomenon of the comet 2014 BYN passing overhead at approximately 3.9 arcseconds per minute (arcsec/minute) as it approaches the Earth's orbit around the Sun. This event has been observed by amateur astronomers for many years and is considered one of the most spectacular events in the history of comets. The comet passes overhead every year on average, but in recent years, it has
