You can use a multipurpose cleaner. Just be sure that it is well diluted enough, so that it doesn't remove the paint by testing your cleaning solution in a small inconspicuous area. If your ceiling is textured, be sure to use a sturdy piece of cloth that won't fall apart.
The best way to clean walls is using TSP. Follow the package directions for how to use it.
The ceiling is painted.
the creation of adam which was painted on the Sistine Chapel ceiling
We painted the ceiling on Tuesday.
Michelangelo painted the ceiling of the Sistine Chapel for Pope Julius II.
Michelangelo painted the ceiling of the Sistine Chapel.
Michelangelo sculptured marble statues and painted the ceiling.
Michelangelo painted the ceiling of the Sistene Chapel in the Vatican.
The ceiling was not carved, it was painted by Michelangelo.
No, he did not. One of his younger contemporaries, Michelangelo, painted the Sistine Chapel ceiling.
Leonardo painted no ceiling. Michelangelo did. It was the Sistine Chapel and Michelangelo painted it between 1508 and 1512.
Yes, a popcorn ceiling can be painted to give it a fresh new look.