Maria Celeste was a prominent figure in the life of the famous astronomer Galileo Galilei. Born in 1600, she was his eldest daughter and became a nun in the Order of St. Benedict. She was known for her intelligence and strong character, often corresponding with her father about his scientific work. Despite her religious life, Maria Celeste played a crucial role in supporting Galileo emotionally and financially. She managed the family’s affairs while he was often away, and her letters reveal a deep bond between them. Her contributions to his life and work are recognized as significant, though she remains less known than her father.