Solar System
Venus
Terrestrial Planet · Hottest

Shrouded in thick clouds of sulfuric acid, Venus is the hottest planet in the Solar System. Its runaway greenhouse effect keeps surface temperatures at 465°C. A day on Venus is longer than its year, and it rotates backwards.

Planet Data ○ Reference
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Mean Radius
6,052 km
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Gravity
8.87 m/s²
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Density
5.24 g/cm³
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Avg Temperature
464 °C
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Axial Tilt
177.4°
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Escape Velocity
10.36 km/s
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Orbital Period
224.7 days
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Rotation Period
5,832.60 h
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Known Moons
0
Overview via Wikipedia
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Atmosphere Composition
Carbon Dioxide 96.5%
Nitrogen 3.5%
Sulfur Dioxide 0.015%
Argon 0.007%
Other traces <0.01%
Notable Features
Maxwell Montes — highest mountain at 11 km
Maat Mons — massive shield volcano
Retrograde rotation — Sun rises in the west
Atmospheric pressure 92× that of Earth
Space Missions
Mission Year Notes
Venera 7 1970 First soft landing on another planet
Magellan 1989–1994 Radar-mapped 98% of Venus surface
Venus Express 2005–2014 ESA orbiter studying atmosphere
DAVINCI+ 2029 planned NASA probe to study atmosphere & surface
NASA Images

Images courtesy of NASA Image & Video Library. All images are public domain.

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Venus Science Quiz

10 questions from our Science quiz

Question 1 of 10
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Solar System