Why Venus is Leaking Water into Space Even Today
Venus, often hailed as Earth's twin due to its size and proximity to our planet, reveals a harsh reality beneath its similarities. Known for surface temperatures that soar higher than those of Mercury, despite Mercury's closer position to the Sun, Venus serves as a stark contrast to the life-bearing blue of Earth. This has intrigued scientists for decades, particularly regarding the fate and transformations of its water sources. Billions of years ago, Venus might have held vast quantities of water, much like Earth. This crucial component for life, however, faced a catastrophic fate due to Venus's proximity to the Sun. The intense solar radiation Venus experiences is believed to break down water molecules in the atmosphere into hydrogen and oxygen. The hydrogen, being light, escapes easily into space — a process known as hydrodynamic escape. Over time, this resulted in the gradual depletion of Venus's water reservoirs, transforming the planet into the arid world we obse...