If 65 billion SOLAR neutrinos pass
through a square centimeter every second...
The Big Bang Theory Season 8, Episode 19
A combination
of the moon's SOLAR reflection...
The Big Bang Theory Season 1, Episode 2
Model of the SOLAR system,
developed by Nicolaus Copernicus...
The Big Bang Theory Season 6, Episode 4
may have discovered
a new planet in our SOLAR system?
The Big Bang Theory Season 9, Episode 16
...that's been traipsing around
the SOLAR system for billions of years...
The Big Bang Theory Season 2, Episode 4