...-REx spacecraft has already found the ingredients for water on Bennu – an indication that the much larger asteroid ... that together form OH. Although not quite the formula for water (that requires an additional hydrogen atom), these hydroxyls are suspected...
... have also show-horned in a steam-powered thruster. This method of propulsion requires a heat input of 2.9 W/mN to vapourise the water and support continuous thrust and to help keep the propellant tank warm enough – it must maintain a 45ºC minimum...
... with extensive, transiently habitable environments in the shallow subsurface ‘soil’. The publication, entitled ‘Shallow transient liquid water environments on present-day Mars, and their implications for life’, reviews the evidence for present day...
... layers of varying thickness. The regolith is an intriguing resource both for its mineral content and as a source of water. It is clear that water is a key substance, not only for life but also because its thermal decomposition or electrolysis allows...
... and are visible because of their photosynthetic pigments, primarily chlorophyll. Regional seas, coastal zones and inland waters carry especially high algal concentrations due to the abundance of nutrients from the land. Suspended sediments from...
... transported back into the ocean could also contribute to chemosynthetic metabolism. A composite image showing suspected plumes of water vapour erupting at the 7 o’clock position off the limb of Jupiter’s moon Europa. The plumes, photographed by NASA...