Calendars, coincidence, and play
And then I wrote… it’s September and so the 2021 Calendars are available! Here are two more reflections from calendars of years past… And since these are meant to support our Calendar guild (click here to get a calendar!) I am not putting them behind the usual firewall… 2019 Calendar There are many coincidences in astronomy. The Moon’s size and location allows it to exactly eclipse the disk of the Sun. The visual juxtaposition of the stars Alcor and Mizar in the Big Dipper’s handle drew the attention of early telescopes to discover that Mizar was actually a double star (whose separation is just right for those early telescopes). The shapes of nebulae remind us of horses’s heads or dumbbells. And of course it’s mere chance that the nebulae themselves happen to be not only scientifically interesting, but also remarkably beautiful. There’s no cosmic significance to it, really. Just coincidence. And yet… In December 1988 I spent a week at the Jesuit retreat … Continue reading →