Tokyo, Japan (SPX) Aug 21, 2024
Researchers using the Solar Occultation in the Infrared (SOIR) instrument aboard the European Space Agency's Venus Express probe have observed a significant and unexpected increase in the deuterium to hydrogen ratio (HDO/H2O) in Venus' mesosphere. This discovery adds a new layer of complexity to our understanding of Venus' water history, raising questions about whether the planet may have once h