Why Pluto is Not a Planet

Fraser Cain · 815K views · 2012 · 4:54

Open on YouTube

Cosmology & astrophysicsother

Why the open web links it

Explains why Pluto was reclassified as a dwarf planet, covering its history and the new criteria for planethood.

Linked by 3 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including universetoday.com, siyavula.com, christianready.com.