Popular Science has a recent item about whether Pluto is a planet, prompted by a short paper from the NASA New Horizons team (Runyon, et al.). The paper argues for redefining ‘planet’. In the Popular Science article, Sara Chodosh tries to show “why this matters”. The back-and-forth about Pluto, she writes, is a sign that “we’re still learning”. But the problem is that the short paper doesn’t make any new arguments or reflect any new findings. Continue reading “Reheated cabbage about planets”