World Atlas 2015 model accounts for elevation. So locations with higher elevation are darker. But it doesn't account for obstacles like a mountain range shielding you from a city behind it.
World Atlas 2015 model accounts for elevation. So locations with higher elevation are darker. But it doesn't account for obstacles like a mountain range shielding you from a city behind it.
There are VIIRS maps and World Atlas 2015 map. They show fundamentally different things. VIIRS shows you sources of light pollution while World Atlas shows you how these sources of light impact the sky above you.