Ninety years ago this week, astronomers proudly announced the discovery of a new planet, Pluto. But in 2006, Pluto was shunned from its planetary brethren, a demotion from planet status that was met with outrage and disappointment. Whatever Pluto is, the BBC's Rebecca Wood is celebrating the 90th anniversary of its discovery.
There is no paywall on the story you just read because a community of dedicated listeners and readers have contributed to keep the global news you rely on free and accessible for all. Will you join the 314 donors who’ve stepped up to support The World? From now until Dec. 31, your gift will help us unlock a $67,000 match. Donate today to double your impact and keep The World free and accessible.