Here's why there's no single "medium" category:
* Wide range of star properties: Stars come in a huge range of sizes, from tiny red dwarfs to massive blue giants. There isn't a clear dividing line where "medium" starts and ends.
* Evolutionary changes: Stars change over their lifetimes, so a star considered "medium" at one point in its life might be categorized differently later.
Instead of "medium" stars, astronomers use categories like:
* Main sequence stars: The most common type of star, including our Sun, where stars fuse hydrogen into helium in their cores. Main sequence stars cover a wide range of sizes and masses.
* Red giants: Larger and cooler than main sequence stars, red giants are in a later stage of their lives.
* White dwarfs: The remnants of smaller stars after they have exhausted their fuel, these stars are dense and incredibly hot.
To better understand what you're looking for, could you tell me more about what you're interested in? For example:
* Are you looking for stars with a specific mass range?
* Do you have a particular luminosity in mind?
* Are you interested in stars with a specific temperature?
With more information, I can help you find the stars you're looking for!