VENUS: EARTH’S SISTER PLANET WITH A FIERY SECRET | Why the planet closest to us became the hottest world in the solar system We revisit Venus, a planet long admired for its brilliance in Earth’s sky and feared for its extreme conditions. Often called Earth’s sister due to its similar size and mass, Venus tells a very different story of planetary evolution. With surface temperatures soaring to around 462°C, Venus holds the title of the hottest planet in our solar system — even hotter than Mercury