This week, we investigate the mysteries of Pluto’s iconic heart-shaped feature. We explore recent research on the origins of the Sputnik Planitia region and what it can tell us about whether or not the dwarf planet has a subsurface ocean. Our guest, Adeene Denton from the University of Arizona, discusses her team’s work investigating oblique impact basins, or “splats,” and their implications for planetary formation. Then Bruce Betts, chief scientist at The Planetary Society, joins host Sarah Al-Ahmed for a roundup of the most significant impacts in our Solar System…
