Question: what are the layers of heaven?
Answer: According to some Puranas, the Brahmanda is divided into fourteen worlds. Seven are upper worlds, Bhuloka (the Earth), Bhuvarloka, Svarloka, Maharloka, Janarloka, Tapoloka and Satyaloka, and seven are lower worlds, Atala, Vitala, Sutala, Talatala, Mahatala, Rasatala and Patala.