Astronomers still can’t agree on what counts as a planet Read more: https://www.newscientist.com/article/2313682-astronomers-still-cant-agree-on-what-counts-as-a-planet
In 2006, the International Astronomical Union came up with a new way to classify planets that famously saw Pluto downgraded. Now a new row has started as astronomers try to define exoplanets What is a planet? Despite decades of trying, astronomers still haven’t found a definition that everyone can agreeContinue Reading










