The habitats feature inflatable pods and modules covered in Martian or lunar “cement” to protect them from radiation and asteroid strikes.
Source: Here’s what future Mars and lunar space colonies could look like
Please take a moment to support Amazing Stories with a one-time or recurring donation via Patreon. We rely on donations to keep the site going, and we need your financial support to continue quality coverage of the science fiction, fantasy, and horror genres as well as supply free stories weekly for your reading pleasure.
https://www.patreon.com/amazingstoriesmag