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Roscosmos and NASA have chosen the date of the launch of the "Venus-D"

NASA and Roskosmos Agency, having discussed all the nuances of the mission of "Venus-D", chose the date of the launch of the research apparatus, News". Its launch will be carried out with the help of a heavy Angara-5 booster rocket with the Breeze-M upper stage or the hydrogen KVTK from the Vostochny cosmodrome in 2026. The optimal start date is June 9, but the window will be open from May 30 to June 20. If something goes wrong, the launch will be done in 2027 or 2029.

The apparatus itself is an automatic interplanetary station for the study of Venus. This device with additional modules, according to plan, will study the neighbor of the Earth, sending the received data to our planet. The principle of the "Venus-D" is similar to the principle of the American apparatus "Magellan". The project is implemented jointly with the NASA agency, which is engaged in financing paperwork on the project.

In addition, it is possible that NASA will develop and provide a controlled atmospheric VAMP platform or several small-sized probes that are fabricated on the basis of high-temperature electronics, so that they can work on the surface of Venus for several thousand hours.

If the option with modules is selected, they will be dumped in various regions of the planet where they will monitor the atmosphere. In addition to modules, scientists are discussing the possibility of including drifting balloons or a small sub-satellite in the mission. Aerostats can be two. One will be launched at an altitude of 55-60 km from the surface of the planet, and the second – under the clouds, at an altitude of 45-50 km. The estimated lifetime of aerostats is more than eight days. The lander should work for at least a few days. In general, in this mission it is planned to study the composition of the atmosphere, the structure of the surface of Venus, and also to find out why there is practically no water here.

It is clear that all equipment that will be used during the mission must withstand extreme conditions. These are high temperatures (about 460 degrees Celsius) and a pressure of over 90 atmospheres. And some modules of the mission will be in such conditions for about a month.

So far, Russian scientists are discussing all the nuances of the project with their American counterparts from NASA and the European ones from ESA, so that changes in the plan for the implementation of the project that was outlined earlier are possible.

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