The surface of the world's oceans are shaped closer to a ___
and most of the footage of outer space claimed to be taken from above 100 kilometers or 62 miles is ___
https://en.m.wikipedia.org/wiki/Outer_space
The Kármán line, an altitude of 100 km (62 mi) above sea level,[8][9] is conventionally used as the start of outer space in space treaties and for aerospace records keeping.