New surfaces module#418

Draft

mkelley wants to merge 31 commits intoNASA-Planetary-Science:mainfrom

mkelley:surfaces-2024.11

Commits on Dec 13, 2025

Commits on Dec 14, 2025

Check in before stripping flux density.
mkelley
committed

Commits on Dec 15, 2025

Checking in
mkelley
committed

Commits on Jan 5, 2026

Start defining Sphere
mkelley
committed

Commits on Jan 10, 2026