Michelangelo’s Sistine Chapel frescoes replaced an earlier decoration depicting a starry sky.
The chapel’s original ceiling was painted blue and covered with golden stars. This decoration suited the symbolic image of a heavenly space, but the vault was later damaged by structural problems. Cracks led to repairs, and the earlier appearance was ultimately replaced by Michelangelo’s monumental fresco program.
The change is sometimes confused with the claim that the ceiling was simply painted blue before Michelangelo. Blue was indeed the background of the earlier starry design, but the key feature was the pattern of gold stars. Michelangelo’s work transformed the entire vault into an illusionistic architectural and biblical narrative.
The earlier starry ceiling is known mainly from historical descriptions and documentary evidence rather than from what visitors see today. The surviving frescoes therefore represent a complete visual reimagining of the chapel’s upper interior.