Answer

In Jain Dharma, Jambudweep is part of the Jain description of Loka — the inhabited cosmic universe described in Jain scriptures. Modern science describes the physical Earth as observed through instruments, satellites, and space exploration.

So they are different because they come from different frameworks:

• Modern science describes Earth as a physical planet.
• Jain cosmology describes the structure of the inhabited universe from the scriptural Jain perspective.

Explanation

According to Jain tradition, Jambudweep is the central region of Madhyaloka where human life and spiritual effort are possible. It includes sacred regions such as Bharat Kshetra, where Tirthankars appear and where liberation-path practice is possible.

Modern science, on the other hand, shows Earth as a spherical planet based on observation, measurement, astronomy, and space technology.

Jain Dharma’s main purpose in describing Jambudweep is not simply geography in the modern scientific sense. Its deeper purpose is to explain:

• where human birth occurs,
• where dharma can be practiced,
• where Tirthankars appear,
• how worldly existence is vast and structured,
• and how the soul should seek liberation beyond worldly regions.

Spiritual Understanding

From the Jain spiritual viewpoint, the most important point is not arguing over physical appearance, but understanding our rare opportunity.

We are born in a place where:

• right faith, right knowledge, and right conduct can be cultivated,
• karma can be reduced,
• and moksha can be pursued.

Jain cosmology reminds us that worldly existence is vast, complex, and full of wandering. Therefore, one should not become attached to the world, but should turn inward toward the soul.

Takeaway

Modern science shows the Earth as a physical planet. Jain scriptures describe Jambudweep within the spiritual-cosmological structure of the universe. For Jain practice, the key message is: human birth is rare, dharma is precious, and liberation is the true goal.