A combination
of the moon's SOLAR reflection...
The Big Bang Theory Season 1, Episode 2
If 65 billion SOLAR neutrinos pass
through a square centimeter every second...
The Big Bang Theory Season 8, Episode 19
You know, last time, I was able to book
a cruise to the Arctic to see a SOLAR eclipse.
The Big Bang Theory Season 1, Episode 5
may have discovered
a new planet in our SOLAR system?
The Big Bang Theory Season 9, Episode 16
Somewhere beyond our SOLAR system.
The Big Bang Theory Season 8, Episode 6