Earth-based radar has detected an extremely reflective material in these regions which may be sublimed sulfur or even water ice.
Flowery perfumes tend to be sweeter and a bit stronger, while earth-based are simple fragrances that take their base scents from minerals and plants other than flowers, like vanilla or cinnamon.
The colors are earth-based and reflect the outside environment.
Cyberpunk is almost always an earth-based sci-fi genre.
This reflected the way earth-based navies work to some extent.