The CELESTIAL bodies that follow are:
The Big Bang Theory Season 4, Episode 5
At the age of 5,
I discovered a CELESTIAL object...
The Big Bang Theory Season 6, Episode 20
in the lake of the palace
of the CELESTIAL maidens.
The Big Bang Theory Season 5, Episode 4
by the CELESTIAL river
of the Milky Way.
The Big Bang Theory Season 7, Episode 19