Image 1)EnVision aerobraking in Venus atmosphere. Credit: ESA/ Paris Observatory / VR2Planets / Damia Bouic (ScitechDAily.com/EnVision Mission: Readying Spacecraft To Surf Venus’ Hot, Thick Atmosphere)
The EnVision program by the ESA (European Space Agency) is the project to map Venus and research its surface using radars. The special thing about this mission is that the van-size space probe would lay very low altitude and surf in Venus' thick atmosphere for a couple of years.
The EnVision would use to test things like aerobrake. The aerobrake is the method where the friction of the atmosphere is used to slow the craft's speed. That thing will save lots of fuel. And surfing in that planet's atmosphere makes it possible to take samples from the high atmosphere.
Image 2:) "Artist impression of ESA’s EnVision mission". Credit: ESA/VR2Planets/Damia Bouic (ScitechDaily.com/EnVision Mission: Readying Spacecraft To Surf Venus’ Hot, Thick Atmosphere
And the craft can also map surfaces and chemical compounds of the atmosphere and the planet's high mountain areas by using lasers and radars. The EnVision opens the road to a long-wing sailplane or airship that can fly in Venus's atmosphere. And maybe in the future, that kind of laboratory will fly in the atmosphere of Venus and gas giants.
So EnVision is a very interesting project. Maybe this project answers the question. Are there some very primitive microbes hovering in the clouds of that planet? There is the possibility that there are some primitive microbes that can use the temperature of Venus' atmosphere as an energy source.
Images and other sources: https://scitechdaily.com/envision-mission-readying-spacecraft-to-surf-venus-hot-thick-atmosphere/
https://astronomyandtechnology.blogspot.com/
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