Megastructures Alderson Disk 3

The Alderson Disk is a giant platter (like a Compact Disc) with a thickness of several thousand km and an outer radius roughly equivalent to the orbit of Mars or Jupiter. The sun is located in the hole at the center of the disc.

Part of the Megastructures book project, to be released late 2021 / early 2022: http://www.neilblevins.com/books/megastructures/megastructures.htm