Anonymousabout 2 hours ago
NASA Administrator Jared Isaacman told a Senate committee on April 28, 2026 that he is "very much in the camp of make Pluto a planet again" and revealed NASA is preparing scientific papers to challenge the 2006 IAU reclassification. The move reignites a two-decade debate over what counts as a planet — one that pits geophysical definitions favored by planetary scientists against the orbital-dynamics criteria used by the International Astronomical Union, with consequences ranging from textbook revisions to the potential expansion of our solar system to over 100 "planets."