Openishut gives a list of what possible bodies you can think about in the after life. After death, you get these supernatural bodies, which are called heavenly,. Not heavenly bodies, tho people mistake it for stars and planets. And then visa, objects of enjoyment, muc superior. And finally, the environment for enjoyment. So they are different locusts, multiple levels of heavens they speak aboutand how do you go that? Go there? You need punnya. You need credit. What kind of credit? Carma. For that we need to have lots of good carma.
Swami Sarvapriyananda teaches the Katha Upanishad, which is one of the most popular Upanishads. The scripture concerns the story of a young man who goes to the house of death to find out what happens after death. The reply describes the nature of reality and the meaning of life.