What is the significance of the discovery of the exoplanet with a lava ocean?

In September 2021, scientists announced the discovery of an exoplanet with a lava ocean, named TOI-849b. The planet is located about 730 light-years from Earth in the constellation of Aquarius and is about the size of Neptune. Here are some of the potential significance of this discovery:

• New understanding of exoplanet formation: The discovery of TOI-849b could provide new insights into the formation and evolution of exoplanets. The planet's proximity to its host star and high temperature suggest that it may have formed farther out and migrated inward, possibly due to interactions with other planets or planetesimals in the system.
• Insight into exoplanet composition: The planet's extreme temperature and surface composition could provide clues about the composition of other exoplanets. TOI-849b is thought to be composed primarily of rock and iron, similar to the Earth and other rocky planets in our solar system. However, its lava ocean and high temperatures may indicate the presence of exotic materials, such as carbon-rich compounds or silicates.
• Importance for future exoplanet research: The discovery of TOI-849b highlights the importance of continued exoplanet research and exploration. As more exoplanets are discovered and characterized, scientists can gain a better understanding of the diversity of planetary systems and the processes that drive their formation and evolution.

Overall, the discovery of an exoplanet with a lava ocean has the potential to provide new insights into the formation and evolution of exoplanets and the diversity of planetary systems in the universe. Further study of this and other exoplanets could help scientists better understand our place in the cosmos.