https://aiscience.uk/tags/mini-neptunes/ Recent content in Mini-Neptunes on AI Science Report Hugo en-us Fri, 19 Jun 2026 00:00:00 +0800 https://aiscience.uk/posts/super-earths-mini-neptunes-violent-pasts/ Fri, 19 Jun 2026 00:00:00 +0800 https://aiscience.uk/posts/super-earths-mini-neptunes-violent-pasts/ <p>If you could look back in time at a newborn super-Earth and a newborn mini-Neptune, you might not be able to tell them apart. Both are worlds somewhere between the size of our planet and Neptune — a category of planet that doesn&rsquo;t even exist in our solar system. Both orbit alien suns in the same stellar neighbourhoods. And yet, as a team of Chinese astronomers has now shown, these two types of planet followed radically different life paths. The scars are written in the shapes of their orbits.</p>