the tv astronomer heather couper has died at the age of 70 after a short illness. later this year will show some of his best—loved work — and at the vatican, they‘re preparing to hang his tapestries in the sistine chapel, beneath michelangelo‘s ceiling. our correspondent mark lowen gained exclusive access to the preparations. wears sacred power meets artistic mastery. night brings quiet but no rest. mechanical whirring. in the sistine chapel, where popes are chosen beneath michelangelo‘s glory, we got rare access to the cleaning of one of humanity‘s greatest triumphs. to do this job in this chapel, for me, is the best i can do in this life. the upkeep now is particularly special. 500 years since the world lost michelangelo‘s contemporary, raphael, preparations to host his tapestries in the chapel where they were designed to hang. amidst the magical story of this place was an intense renaissance rivalry between the older michelangelo and the younger, more sociable raphael. legend even has it that while michelangelo was absent during the painting of the ceiling, raph