Since grade school, I learned that the Nile was the longest river in the world. According to new measurements, it's the Amazon, but Wiki says it's the Nile

The ninth planet is no longer Pluto, which was categorized as a dwarf planet, as Caltech researchers find evidence of the real ninth planet, which they call Planet Nine

If I took an IQ test 2 weeks ago, these 2 would have been my clear mistakes

If I'm a robot, how can I update my software if all available data are conflicting

#planetX

#science

#astrophysics

#theoreticalphysics