Venus - Wikipedia
https://en.wikipedia.org/wiki/Venus
OverviewPhysical characteristicsOrbit and rotationObservabilityObservation and exploration historySearch for lifeHuman presenceIn cultureVenus is one of the four terrestrial planets in the Solar System, meaning that it is a rocky body like Earth. It is similar to Earth in size and mass and is often described as Earth's "sister" or "twin". Venus is close to spherical due to its slow rotation. Venus has a diameter of 12,103.6 km (7,520.8 mi)—only 638.4 km (396.7 mi) less than Earth's—and its mass is 81.5% of Earth's, making it the t… Average orbital speed: 35.02 km/s Sidereal rotation period: −243.0226 d (retrograde) Equatorial rotation velocity: 6.52 km/h (1.81 m/s)
Average orbital speed: 35.02 km/s
Sidereal rotation period: −243.0226 d (retrograde)
Equatorial rotation velocity: 6.52 km/h (1.81 m/s)
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