Arturo says that the explosion of the nuke will not be visible immediately due to the delay caused by the finite speed of light and the distance between the asteroid and the earth. However, the sight of the rocket colliding with the asteroid itself is delayed by a similar period of time. A visible explosion should have followed a visible collision immediately.
Quinn gave Arturo his address, but Arturo had been to his house twice in the pilot. Once before the slide and once after they slid out of Russian World. The 2nd time it
was the wrong Earth, but the same house and probably the same address.
A news anchor is named Kim Brettoner on her broadcast, but is later called Katie by her co-host.