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Move Over Pluto, Astronomers Say There's a New Planet in Town
Ten years ago, astronomer’s shrunk the solar system by removing Pluto from the list of real planets. Now the solar system is getting bigger again.
By Warren Olney • • 9m ListenTen years ago, astronomer’s shrunk the solar system by removing Pluto from the list of real planets. Now the solar system is getting bigger again.
In the latest issue of Astronomical Journal astronomers from Caltech in Pasadena describe a massive object called Planet Nine, orbiting even farther away from the Sun than the former planet called Pluto. One author of today's article is Mike Brown, who also wrote the book How I Killed Pluto and Why It Had It Coming.
