Activity for BookWyrm17‭

Type	On...	Excerpt	Status	Date
Question	—	Could a hollow rocky planet the size of Jupiter be artificially created, and how would that affect species growing on its surface So, like my question says, I've been wondering if a rocky planet, that looks much like our planet from the surface (oceans, forests, mountains, ext) could be possible. I've read through a good number of the other giant-planet threads, and those all talk about one being created naturally (which isn'... (more)	—	about 8 years ago