Evidence mounts for hidden ninth planet
![hidden planet illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/01/ticker_cc_planetx_free_0.jpg?fit=860%2C460&ssl=1)
INTERPLANETARY HIDE AND SEEK A hidden planet in our solar system (illustrated) could explain the bizarre orbits of remote bodies beyond Neptune.
Caltech/R. Hurt (IPAC)
INTERPLANETARY HIDE AND SEEK A hidden planet in our solar system (illustrated) could explain the bizarre orbits of remote bodies beyond Neptune.
Caltech/R. Hurt (IPAC)