The Doors of Heaven or Jannah
Narrated by Hazrat Sayadna Sahl Bin Saed (R.A) that he had listened from Prophet Mohammad (S.A.W) about the doors of Heaven, in which Prophet Mohammad (S.A.W) said that their are eight doors of Heaven. (Al-Bukhari)
The Ages of Creatures in Heavens or Jannah
Narrated by Sayyadna Abu Sayyed (R.A), said by Prophet Mohammad (S.A.W):
If any one whether old or young in the Heaven will die he will be made 30 year old in Heaven.
How Big Will Be The Heaven or Jannah?
Narrated by Sayyadna Ibbadah Bin Samat (R.A), said by Prophet Mohammad (S.A.W):
There will be 100 storey levels...