Venus is the brightest planet in our solar system.
Venus's brightness is due to a combination of factors:
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High Reflectivity: Venus has a dense atmosphere composed primarily of carbon dioxide with clouds of sulfuric acid. These clouds are highly reflective, bouncing about 70% of the sunlight that hits them back into space. This high albedo is a major reason why Venus appears so bright.
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Proximity to the Sun: Venus is closer to the Sun than Earth is. This means it receives more sunlight, which further contributes to its brightness.
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Proximity to Earth: When Venus is relatively close to Earth in its orbit, its brightness is even more apparent.
Because of its brilliance, Venus is often visible to the naked eye and is sometimes referred to as the "morning star" or "evening star," as it is typically seen shortly before sunrise or after sunset. It appears as a very bright, steady point of light in the sky. While Jupiter can sometimes appear bright, Venus consistently outshines it.