Science Friday Science Friday

Help! This new dwarf planet needs a name

Nov 10, 2026 · 12m

Summary

Host Flora Lixman interviews Dr. Matthew Holman about the discovery of a new dwarf planet candidate, 2026 ED 138, in the Kuiper Belt. The episode explores the scientific methods used to confirm the object's size and composition, noting its reddish surface and why it remained hidden for decades. The conversation also covers the challenges of naming new celestial bodies and the ongoing excitement of exploring the outer solar system.

Topics discussed

Sponsorship and show introduction Announcement of new dwarf planet discovery The vetting process and false positives Defining a dwarf planet and measuring size Surface composition and comparison to Pluto Why this object was only found now Estimating the number of undiscovered objects The discovery as a career milestone The naming process and listener suggestions Naming conventions and the theme of discovery Credits and production team Sponsorship: Poster House
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