
this guy right here
discovered a PLANETARY object
The Big Bang Theory Season 12, Episode 5

A tremendous accomplishment would be
if the PLANETARY body he discovered...
The Big Bang Theory Season 2, Episode 4

Actually, 2008-NQ sub-17
is a PLANETARY body.
The Big Bang Theory Season 2, Episode 4

He's responsible for the demotion
of Pluto from PLANETARY status.
The Big Bang Theory Season 4, Episode 7