A day on Venus is longer than its year—Venus takes 243 Earth days to rotate once but only 225 Earth days to orbit the Sun.
Notes on verification
Well-established NASA planetary data, confirmed by multiple space missions [2026-08-28 re-verified orphan: promoted with 5 independent source(s)] [2026-08-29 audit re-verified: 4 independent source(s)]
Sources
- https://spaceplace.nasa.gov/all-about-venus/en/ (corroboration)
- https://www.universetoday.com/articles/rotation-of-venus (reverify-primary)
- https://www.aeronomie.be/en/encyclopedia/venus-backwards-rotation-and-orbital-period (corroboration)
- https://coolcosmos.ipac.caltech.edu/ask/54-How-long-does-it-take-Venus-to-go-around-the-Sun- (corroboration)
- https://www.physics.unlv.edu/~jeffery/astro/venus/venusian_day_explication.html (corroboration)