This week, we return to our starting point, where Astronomy Cast began: Pluto. 11 years on, we have a whole new appreciate for the dwarf planet Pluto. We’ve visited it, probed it and taken pictures. It’s time for an update. We usually record Astronomy Cast every Friday at 1:30 pm PDT / 4:30 pm EDT/ … Continue reading "Astronomy Cast Ep. 456: Pluto Revisited"