Action Comics #14, featuring Superman and Neil deGrasse Tyson.
"As a native of Metropolis, I was delighted to help Superman, who has done so much for my city over all these years" - Neil deGrasse Tyson.
This is literally the best. Tyson should be canon in all fictional universes.
It’s canon. Neil DeGrasse Tyson witnessed the death of krypton with superman.