-- card: 5162 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 2623 -- name: -- part contents for background part 30 ----- text ----- 21 -- part contents for background part 31 ----- text ----- 7 -- part contents for background part 32 ----- text ----- 29 -- part contents for background part 13 ----- text ----- Solar limb darkening occurs because -- part contents for background part 14 ----- text ----- the sun is not uniformly illuminated -- part contents for background part 15 ----- text ----- we see down to hotter layers at the limb -- part contents for background part 16 ----- text ----- we do not see as deep down at the limb -- part contents for background part 17 ----- text ----- the solar corona absorbs the light -- part contents for background part 25 ----- text ----- 3 -- part contents for background part 38 ----- text ----- false