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Uranus (left), Neptune (right), Earth (lower left), Sirius B (lower center), and Venus (lower right). The smaller planets, Earth's moon, and dwarf planets below, in decreasing size are Mars and Mercury, the Moon, Pluto, and Haumea. All are to scale.

Venus is the second planet from the Sun. It is a terrestrial planet and the third-smallest planet in our Solar System. Venus has a diameter of 12,103 kilometers.

Mythology[edit | edit source]

Venus was named after the Roman goddess of love; the asteroid 433 Eros is named after the goddess's son. In east Asian mythology, the star was known as the "gold star" (金星), due to the planet's yellow atmosphere.

Properties[edit | edit source]

Venus is the hottest planet in the Solar System. This is because of its atmosphere. 96.5 of Venus's atmosphere is Carbon Dioxide, a greenhouse gas. These conditions make the temperature on Venus 466.85 °C on average; higher than the melting point of lead. Venus is sometimes referred to as the Morning Star.