This is an archive for the Planetarium software, Celestia. https://celestiaproject.space/
All the versions of Celestia featured in this archive have links to older URLs for the Celestia Project's main website. The URL that is shatters.net/celestia is nonfunctional and the URL that is celestia.space was hogged by cyber squatters, so do not try to access either of these URLs. If you want to access the main Celestia Project web page follow the link above or go to https://celestia.mobi/ for the main page for the mobile versions of Celestia.