![or under the icy surface
of Europa?
or under the icy surface
of Europa?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
or under the icy SURFACE
of Europa?
The Big Bang Theory Season 11, Episode 10
![If there is life beneath
the surface of these planets,
If there is life beneath
the surface of these planets,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
If there is life beneath
the SURFACE of these planets,
The Big Bang Theory Season 11, Episode 10
![in the Earth's
surface.
in the Earth's
surface.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
in the Earth's
SURFACE.
The Big Bang Theory Season 7, Episode 3
![...on a surface located
at the farthest reaches of our cosmos.
...on a surface located
at the farthest reaches of our cosmos.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...on a SURFACE located
at the farthest reaches of our cosmos.
The Big Bang Theory Season 6, Episode 5
![...given the surface area of this car
is about 60,000 square centimeters...
...given the surface area of this car
is about 60,000 square centimeters...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...given the SURFACE area of this car
is about 60,000 square centimeters...
The Big Bang Theory Season 8, Episode 19