Well, if your only criterion is "artificially constructed, can move under own po... | Hacker News

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		DuskStar on Sept 27, 2013 \| parent \| context \| favorite \| on: Size Comparison - Science Fiction spaceships Well, if your only criterion is "artificially constructed, can move under own power", then the Death Star would not even come close to dominating the chart. For example, the Ringworld was a ring ~1,600,000 kilometers wide and ~150,000,000 kilometers in radius, complete with central sun - and as of last appearance in the novels, was steadily accelerating towards the Andromeda galaxy.

beambot on Sept 27, 2013 [–]

And don't forget about the puppeteer "homeworld": 5 planets (or was it stars?) in an artificially-created rosette formation.

DuskStar on Sept 27, 2013 | [–]

Interesting comparison, that. Probably much smaller in radius than the Ringworld, but I'm not sure how the mass would compare. (Not counting the star at Ringworld's center, that is)

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