The second planet from the Sun, orbiting it every 224.7 Earth days, Venus is the hottest planet in our solar system. Venus has an extremely dense atmosphere, which consists mainly of carbon dioxide and a small amount of nitrogen. The CO2-rich atmosphere, along with thick clouds of sulfur dioxide, generates the strongest greenhouse effect in the Solar System, creating surface temperatures of over 460 °C. This makes the Venusian surface hotter than Mercury's which has a minimum surface temperature of -220 °C and maximum surface temperature of 420 °C.

The planet is named after Venus, the Roman goddess of love and beauty. After the Moon, it is the brightest natural object in the night sky. Venus is classified as a terrestrial planet and it is sometimes called Earth's "sister planet" due to the similar size, gravity, and bulk composition. The atmospheric pressure at the planet's surface is 92 times that of the Earth.

  • The Venusian magnetic field is much weaker than that of Earth.
  • Venus is classified as a terrestrial planet and it is sometimes called Earth's "sister planet" due to the similar size, gravity, and bulk composition.
  • Venus has the densest atmosphere of all the terrestrial planets in the Solar System, consisting mostly of carbon dioxide.
  • Venus has no carbon cycle to lock carbon back into rocks and surface features, nor does it seem to have any organic life to absorb it in biomass.
  • The mass of the atmosphere of Venus is 96.5% carbon dioxide, with most of the remaining 3.5% being nitrogen.



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