The notion or belief in a cosmos structured or tiered into seven heavens likely originates or derives from the seven visible heavenly bodies (Mercury, Venus, Mars, Jupiter, Saturn, the moon, and the sun). 展开

Each of the seven heavens corresponds to one of the seven classical planets known in antiquity. Ancient observers noticed that these heavenly objects (the Moon, Mercury 展开

The concept of seven heavens as developed in ancient Mesopotamia where it took on a symbolic or magical meaning as opposed to a literal one. The concept of a seven-tiered was likely In the Sumerian language, the words for heavens (or sky) and Earth are 展开

Judaism
In the Talmud, it is suggested that the upper part of the universe is made up of seven heavens (Hebrew: shamayim):
1. Vilon (וילון), see (Isa 40:22) 展开

The Gnostic text On the Origin of the World states that seven heavens were created in Chaos by Yaldabaoth below the higher realms, and each of them are ruled over by an Archon. During the end times, these heavens will collapse on each and the heaven of Yaldabaoth … 展开

According to all Puranas, the Brahmanda is divided into fourteen worlds known as lokas. Seven are upper worlds: Bhuloka (the Earth and sky), Bhuvarloka, Svargaloka, Maharloka, Janarloka, Tapaloka and Satyaloka; and seven are lower worlds: … 展开

• As above, so below – Popular Neo-Hermetic maxim
• Astral religion – Worship of stars and other heavenly bodies as deities
• Empyrean – Highest heaven in ancient cosmologies 展开