1) Trans-Neptunian object
Found on
https://www.crosswordclues.com/clue/plutoid
A plutoid or ice dwarf is a trans-Neptunian dwarf planet: that is a body orbiting beyond Neptune that is large enough to be rounded in shape. The term plutoid was adopted by the International Astronomical Union (IAU) working group Committee on Small Bodies Nomenclature, but was rejected by the IAU working group Planetary System Nomenclature. The t...
Found on
http://en.wikipedia.org/wiki/Plutoid
Planets, dwarf planets, and plutoids. Credit: BBC Any dwarf planet that orbits beyond the orbit of Neptune. Currently only two known objects fall into this subcategory, Pluto and Eris, although many more plutoids may be awaiting discovery in the Kuiper Belt. The subcategory plutoid was define...
Found on
http://www.daviddarling.info/encyclopedia/P/plutoid.html
No exact match found.
