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Astronomy basics > Fast Facs: Venus
| Age | About the same age as the Sun: 4.5 billion years |
| Location | Solar system |
| Avg. distance from the Sun | 108,200,000 km (67,200,000 miles) |
| Diameter | 12,100 km (7521 miles) |
| Mass | 4.869 x 1024 kg |
| Orbital period around the Sun | 0.616 Earth years (225 Earth days) |
| Number of moons | 0 |
| Distinguishing features | Thick clouds containing sulfuric acid hide the rocky surface of Earth's sister planet. The atmosphere of Venus is mostly carbon dioxide, which traps heat — causing the surface temperatures to be about 450° C (840° F). |
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Clouds of sulfuric acid on Venus
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Astronomy basics > Fast Facs: Venus