On January 4, 2012, I posted my first BAFact: a short astronomy fact that was brief enough to put on Twitter but informative enough to be interesting. I posted the first one on perihelion the point in Earths orbit when its closest to the Sun and the last one will be a year later. Because 2012 is a leap year with 366 days, July 5th was the 184th day: the first day of the second half of the year Continue reading →