The new study excludes the existence of life on Venus – Space – Science and Technology

There is not enough water on Venus for life to exist there.

This follows from a new study published in a scientific journal Nature Astronomy.

According to AFP, the research, led by Queen’s University Belfast in Northern Ireland, was prompted by a study published last year by researchers at Cardiff University in Wales. They then reported that they discovered phosphine in the atmosphere of Venus – a gas in which only living organisms can be present on Earth.

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The authors of last year’s study have since challenged their own findings, but their findings have inspired scientists in Belfast to examine whether there is enough water in Venus’ atmosphere for life to exist – at least in theory.

According to the DPA agency, the researchers focused on the so-called water activity, i.e. the ratio of free water molecules that can be used by microorganisms. In the driest environment so far, in which scientists observed biological processes, water activity was 0.585.

The authors of the study found that tiny droplets of sulfuric acid in the clouds, which occur above the surface of Venus, reduce the activity of water in the atmosphere to less than 0.004 – a hundred times less than is necessary for the existence of life.

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The activity of water in the clouds, for example, over Mars is 0.537, writes DPA. Scientists have calculated the concentration of water on Venus using existing data collected by American and Soviet space probes in the 1970s and 1980s.

Scientist from the US National Aeronautics and Space Administration (NASA) and study co-author Chris McKay noted that the study also analyzed data from other planets, finding that clouds above Jupiter contained enough water at some height for life in theory. . However, as he immediately pointed out, this discovery in itself does not by any means confirm the existence of life on Jupiter.

Source: – Veda a technika by

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