यसरी बन्दैछ शुक्र ग्रहकाे बादलमा मानव बस्ति || Life on Venus Clouds ||
Автор: Bishwo Ghatana
Загружено: 2021-03-02
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Life on Venus Clouds
The possibility of life on Venus is a subject of interest in astrobiology due to its proximity and similarities to Earth. To date, no definitive proof has been found of past or present life on Venus. Theories have decreased significantly since the early 1960s when spacecraft began studying the planet and it became clear that its environment is extreme compared to Earth's. However, there is ongoing study as to whether life could have existed on the Venusian surface before a runaway greenhouse effect took hold and related study as to whether a relict biosphere could persist high in the modern Venusian atmosphere.
With extreme surface temperatures reaching nearly 735 K (462 °C; 863 °F) and an atmospheric pressure 90 times that of Earth, the conditions on Venus make water-based life as we know it unlikely on the surface of the planet. However, a few scientists have speculated that thermoacidophilic extremophile microorganisms might exist in the temperate, acidic upper layers of the Venusian atmosphere. In September 2020, research was published that reported the presence of phosphine in the planet's atmosphere, a potential biosignature. However, doubts have been cast on these observations.
As of 8 February 2021, updated status of studies considering the possible detection of lifeforms on Venus (via phosphine) and Mars (via methane) was reported.
Music Credit :
Martian Cowboy Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
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