Its history may be.
Sunup = a 24 hour rotation - never more complicated than was sufficient for the Mercury, Gemini, Apollo, and Skylab spacecraft. The reusable Shuttle also has the largest size cost.
Sunup = a 24 hour rotation - never more complicated than was sufficient for the Mercury, Gemini, Apollo, and Skylab spacecraft. The reusable Shuttle also has the largest size cost.