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
A combination
of the moon's SOLAR reflection...
The Big Bang Theory Season 1, Episode 2
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
A SOLAR system.
The Big Bang Theory Season 6, Episode 4