Elements of the deep water cycle on rocky planets that are discussed in this chapter. Reservoirs are labelled in sans serif font. The dominant form of ‘water’ in certain reservoirs

How will Science Fiction inspire the way in which we mount Astrobiology missions to other worlds? Grok via Astrobiology.com Students in our introductory courses are often familiar with astronomy concepts

Schematic picture of the system assumed in this study. (a) A supernova explosion occurs at a distance 𝑑 from the protosolar disk, and (b) the expanding supernova shockwave contacts the

Prior to ca. 2.32 Ga, during deposition of the upper Rooihoogte and lower Timeball Hill formations, atmospheric pO2  10−6 PAL facilitated sulfur isotope mass-independent fractionation (S-MIF) signatures and a global ocean dominated

Representative SEM images of jarosite synthesized at 25 °C (Fe2+ oxidation) and under hydrothermal conditions (Fe3+ hydrolysis). For each halogen-bearing group, the sample with the highest halogen content is shown.