The project has long term.
NASA is working on the concept of human mission to Venus – the planet of hellish temperatures, an extremely toxic atmosphere and incredible pressure on the surface. The project is called High Altitude Venus Operational Concept, or HAVOC.
It is reported that HAVOC is a long – term plan, which depends on a small test missions that are possible with current technologies. While NASA has not yet announced any dates regarding missions HAVOC.
As you know, the temperature on the surface of the planet (almost 460 degrees Celsius) higher than the melting temperature of most metals. In addition, this young in a geological sense, the planet is evolving and has recently experienced a catastrophic event due to the accumulation of heat beneath its surface, causing it to melt and then froze.
But NASA is not going to pull on the hostile surface of Venus by Earthmen. The Agency plans to use the dense atmosphere of the planet as the basis for research. Scientists suggest the use of airships, capable of a long time to stay in the upper atmosphere of Venus at an altitude of 50 to 60 kilometers. At this altitude, pressure and temperature have similar rates with regions of lower atmospheric layers of the Earth. For example, the temperature at this height is between 20 and 30 degrees Celsius.
A sufficiently dense atmosphere above this layer can protect humans from ionizing radiation from space. And closer the distance from the Sun provides more solar radiation than the Earth (not less than 1.4 times more). So, it can be used for energy.
It is planned that the conceptual airship will hover over the planet’s surface without influence of the wind. Filled with a mixture of oxygen and nitrogen, it will have the proper buoyancy and will be able to rise to the desired height.
It is known that the atmosphere of Venus is 97% carbon dioxide, and the remaining three per cent nitrogen and small amounts of other gases. In addition, it is present and sulfuric acid, which is at an altitude of 30 kilometres and below are formed in the drops. This should be considered when creating the airship, which must have resistance to its corrosive effect.
Technology is needed to overcome the problem of acidity, have been developed as materials having high acid resistance to be used for the outer layer of the airship.
The publication writes that the implementation of the mission of HAVOC we can learn about Venus a lot, to understand why two such similar planets have a different past. In addition, we can better understand the evolution of the Solar system and other star systems.
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