“Erupting into Space” by Michael Benson. An 86-mile-high volcanic plume explodes above the horizon of Jupiter’s moon Io. The plume is erupting over a caldera (volcanic depression), named Pillan Patera, after a South American god of thunder, fire, and volcanoes. Hello again, space readers. Look Up is back from a short hiatus while your DCist Space Editor was out in the field. Let’s start with some events in D.C. before we get to the…