Size Duel deck / Ships, aircraft and spacecraft
Spirit rover
Mass: the rover alone
about 185 kg (408 lb)
Planned for 90 days on Mars, it worked for over six years.
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source.
“185 kilograms”NASA: source, retrieved 2026-10-21; quote re-found by the server check
“185 kg”German Aerospace Center, DLR: source, retrieved 2026-10-21; quote re-found by the server check
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