If life based upon carbon-hydrogen- oxygen-nitrogen chemistry ever developed in the early history of Venus, it must subsequently have evolved to sub-surface or atmospheric ecological niches. However, since, as has been mentioned, there can have been no appreciable periods of time when Venus had...
Spectroscopic analysis in the virtual observatory environment with SPLAT-VO. Astron. Comput. 7, 108–120 (2014). Article ADS Google Scholar Sandor, B. J. & Clancy, R. T. First measurements of ClO in the Venus atmosphere–altitude dependence and temporal variation. Icarus 313, 15–24 (...
Subsamples of the upper 0–1 cm and 0–2 cm intervals were taken and preserved for microfaunal and textural analysis, respectively. Four subcores, each consisting of a plastic tube with an 8.4-cm inside diameter, were also taken from the box cores for geochemistry, toxicity, geochronology, ...