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New Gas Giant TOI-6894b Challenges Planet Formation Theories

6/9/2025

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Summary

Story summary

Astronomers have unveiled TOI-6894b, a remarkable gas giant circling the tiniest known star, TOI-6894, which is just 20% the mass of our Sun. This intriguing planet, larger than Saturn yet less dense, completes its orbit in a swift three days. Its frigid conditions challenge current planet formation theories, sparking excitement for further exploration with the James Webb Space Telescope.

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Story summary

Astronomers have unveiled TOI-6894b, a remarkable gas giant circling the tiniest known star, TOI-6894, which is just 20% the mass of our Sun. This intriguing planet, larger than Saturn yet less dense, completes its orbit in a swift three days. Its frigid conditions challenge current planet formation theories, sparking excitement for further exploration with the James Webb Space Telescope.