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