What Is TOI-1105 b? A Mini-Neptune

August 17, 2026

What Is TOI-1105 b? A Mini-Neptune

TOI-1105 b is a planet three times wider than Earth, orbiting a distant star so closely that one year there lasts only 11 days! Scientists think it has a rocky core wrapped in thick layers of gas — and studying it helps us learn how many wild kinds of planets exist out there.

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