
A combination
of the moon's SOLAR reflection...
The Big Bang Theory Season 1, Episode 2

...that means 3.9 times 10
to the 15th SOLAR neutrinos?
The Big Bang Theory Season 8, Episode 19

Somewhere beyond our SOLAR system.
The Big Bang Theory Season 8, Episode 6

A SOLAR system.
The Big Bang Theory Season 6, Episode 4

Model of the SOLAR system,
developed by Nicolaus Copernicus...
The Big Bang Theory Season 6, Episode 4