Pierce says the black hole Sagittarius A "has the density of 40 suns". Sag A is roughly the mass of 40 million stars. However density, mass per volume, is nearly infinite for black holes.
Britta tells Shirley that there are no women-owned cosmetic companies. There are actually many beauty companies owned by women.
When Troy and Jeff are out on the football field palm trees can be seen in the far background. Colorado does not have any naturally growing palm trees as they cannot handle the intensely dry and cold climate.