A SOLAR system.
The Big Bang Theory Season 6, Episode 4
...that's been traipsing around
the SOLAR system for billions of years...
The Big Bang Theory Season 2, Episode 4
...that means 3.9 times 10
to the 15th SOLAR neutrinos?
The Big Bang Theory Season 8, Episode 19
may have discovered
a new planet in our SOLAR system?
The Big Bang Theory Season 9, Episode 16
A combination
of the moon's SOLAR reflection...
The Big Bang Theory Season 1, Episode 2