Alderson disk

English

Alternative forms

• Alderson disc

Etymology

Named after Dan Alderson, who invented the concept.

Noun

Alderson disk (plural Alderson disks)

1. A hypothetical megastructure in the form of a disk with a star located in a hole running through its axis, and massive enough to have its own atmosphere

Hypernyms

• megastructure

Coordinate terms

• Dyson sphere
• Niven ring