The term "Goldilocks planet" doesn't refer to a specific planet with a name. It's a general term used to describe an exoplanet (a planet outside our solar system) that's located within the habitable zone of its star.

Here's why it's called "Goldilocks":

* The Goldilocks Principle: This principle refers to the idea that something is "just right" – not too much, not too little.

* Habitable Zone: This is the region around a star where temperatures are just right for liquid water to exist on the surface of a planet. Liquid water is considered essential for life as we know it.

* The Story of Goldilocks: In the fairy tale "Goldilocks and the Three Bears," Goldilocks tries three bowls of porridge, three chairs, and three beds until she finds one that's "just right" for her.

So, a Goldilocks planet is considered "just right" for potentially harboring life because it's in the habitable zone of its star, meaning it has the potential for liquid water on its surface.

It's important to note: Just because a planet is in the habitable zone doesn't automatically mean it has life. There are many other factors that contribute to habitability, such as the presence of an atmosphere, a magnetic field, and geological activity.