planet nine
Word Rarity
Uncommon
Frequency: Zipf frequency 4.46 in modern English
12
Scrabble Score
10
Letters
3
Syllables
7
Unique Chars
Meaning
name
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.