Microbial life on Venus?

Scientists discovered life on Venus?

        On September 14,2020 a team of researchers publish a paper that Venus have possible sign of life. Let's know briefly about Venus.

Earth's Sister:

 

Credits: Prospect Magazine 

       The hottest and brightest planet in our solar system. Venus is called as "Earth's sister planet" but it is not like our Earth, the surface temperature is about 482°C, it spins opposite direction to the Earth (i.e) in Venus the sunrise in west. Venus is also called as morning star due to the brightness it can visible in naked eyes from the Earth. The size of Venus is almost equal to the Earth, the diameter of our Earth is 12,742 Km and Venus has 12,104 Km. Venus is made of similar composition of our Earth. And it has atmosphere like our Earth, which contains 96.5% of Carbon-di-oxide, 3.5% of Nitrogen, 70ppm of Argon, 150ppm of Sulfur-di-oxide, 20ppm of water vapor.  

      The surface pressure on Venus is around 85 times that on Earth. Due to the high pressure the carbo-di-oxide is in the form of super critical liquid (i.e) Carbon-di-oxide is in either gas or fluid state. Venus is the second planet which orbits the Sun. Being close to Sun, the sunlight takes 6 minutes to reach the Venus. But Venus reflect nearly 75% of sunlight because of the thick atmosphere and balance 25% of sunlight enters the Venus, these sunlight heats the surface of the Venus. When it vapor it cannot leave the Venus's atmosphere because of the composition of the atmosphere traps the vapor and turn the vapor again into the Venus surface, this cause the Venus as the hottest planet on our solar system. The same thing is happening on Earth and we called as "Global Warming". 

       Surprisingly the condition on 55 km from the surface of the Venus resembles like the condition on our Earth because on 55km from the surface it has 0.5-1 atm pressure and 27 degree Celsius of heat. So scientist believes some microbial life on the atmosphere. Like helium balloon on Earth it is possible to fly a carbon/nitrogen balloon on Venus. Maybe if humans need the research the Venus we can send a large carbon/nitrogen balloon. Like on Earth,Venus have clouds but these clouds are made up of Sulphuric acid, and it make a Sulphur acid rain but due to immense heat on Venus it evaporate before it reaches the Surface. Scientists making research whether these clouds will produce lightening and thunderstorm on Venus. 

Biomarker on Venus? 

Credit: UNSW Sydney 

      On September14,2020 A team of researchers have publish a paper about symptoms of life on Venus.  As mentioned above at 55km from the surface it has 0.5-1 atm pressure and 27 degree Celsius of heat as on Earth, a team of Jane Greaves from Cardiff University and various scientists from Massachusetts Institute of Technology, University of Manchester, Kyoto Sangyo University, Imperial College London, Royal Observatory Greenwich, The Open University have discovered phosphine(PH3) gas on the atmosphere of Venus. Generally Phosphine is a bio signature because phosphine gas is produce only by a living organism. To discover the phosphine gas scientists use James Clerk Maxwall Telescope in Hawaii and Atacama Large Milimeter Array in Chile. By this discovery we can't say Venus has life because as of now we know only living organism can produce Phosphine may be it can produce in different method which was unknow to us, Maybe it has same structure like Phosphine because we observing the Venus from so long. If we eliminate all these possibilities we can say 100% there is a life on Venus.          

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