This weekend, the District is offering everything from ‘forest bathing’ at the U.S. National Arboretum to virtual winter solstice celebrations.

Image courtesy the NASA Earth Observatory, created by Jesse Allen using data provided courtesy of the MODIS Rapid Response team. Since the power and/or internet was out at this writer’s house most of the weekend, here’s a special weekday edition of Look Up. Yesterday, of course, was the winter solstice, the shortest day of the year, during which the Earth’s axis is tilted the farthest from the sun. (According to the U.S. Naval Observatory,…