[Tabular-Iceberg]

I think they don’t want the tile server API have to think about what planet it’s on and where said planet has its oceans. So every tile has to have a valid image associated with it.

[moron4hire]

By the time that will be a concern, mapping apps will have been rewritten in JavaScript++ 5 times over.

[leephillips]

It’s been a concern for several years already. You can visit several planets and their satellites with Google Maps, at least.