Caelesteplex

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A caelesteplex is a system that is so large and/or complex as to have multiple planets for their headmates to reside in. These systems can have different numbers of planets within their headspace and any number of solar systems or even galaxies. Although uncommon, it is possible for systems to even be part of the multiverse, to have voids within headspace, etc. and these all similarly fall under the caelesteplex definition. Any headspace that has anything beyond their planet's atmosphere (if they even have a full-on planet) can be known as or referred to as caelesteplex.