RhymeZone

 

Definitions of Planet Nine:
  • noun:   Alternative form of Planet 9 [(astronomy) A theoretical ninth planet in the Solar system, the gravitational effects of which would explain the improbable orbital configuration of a group of trans-Neptunian objects that orbit mostly beyond the Kuiper belt.]

(Definitions from Wiktionary)

Related words...


 
Help  Feedback  Privacy  Terms of Use

Copyright © 2023