![...for the existence
of galactic dark matter.
...for the existence
of galactic dark matter.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...for the existence
of GALACTIC dark matter.
The Big Bang Theory Season 2, Episode 11
![...how long is a galactic year?
...how long is a galactic year?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...how long is a GALACTIC year?
The Big Bang Theory Season 8, Episode 2
![AMY:
I say active galactic nuclei
at cosmological distances
AMY:
I say active galactic nuclei
at cosmological distances](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
AMY:
I say active GALACTIC nuclei
at cosmological distances
The Big Bang Theory Season 12, Episode 18