Okay then maybe the electron shells model of an atom. That was taught as fact and it’s definitely not true even though it’s still useful
Comment on Can you think of any now?
fodor@lemmy.zip 4 weeks agoThat’s a definitional question, though, is it not? I don’t think any facts actually changed.
ghen@sh.itjust.works 4 weeks ago
JackbyDev@programming.dev 4 weeks ago
Yes. Ceres was considered a planet when discovered in 1801 and around the 1950s began to be classified as an asteroid. It is now considered a dwarf planet like Pluto. It’s the largest thing in the asteroid belt but is still sort of planet shaped.