Hopefully both, and there's a Lie-O-Meter that determines how truthful a statement is as its being read, and then a counter of provably false statements made
Not like a here is a one in a billion outlier so the truth is a lie. If crime is down, but up in a small, specific area, the statement "crime is down" would be true.
Only if that heat radiation would be evenly distributed - otherwise you would have a gradient which still results in duality of light/dark
There are also places that are relatively empty, which would result in a more typical darkness
Also, speeding everything in existence up to the point of luminance is kind of tricky, what with natural law and all