Kimmo Huosionmaa
Below this text is the link to Juno-programs homepages of NASA. There are some details, what people probably don't know about this planet. The gas giant is well-known that there are massive radiation areas around it, and the planet have been well known also that it shines more radiation, than it gets from the sun. The thing causes by the very strong magnetic field of that planet, and sometimes have been speculated that there would be forming so-called micro-fusions inside that planet layer of metallic hydrogen, because if the speed of rotation of that layer is very high, and the flashes of lightning inside the atmosphere would raise the temperature of the nucleus of the planet high enough, would there happen also nuclear reactions.
The Jupiter is giving the information, how the stars are forming and also conditions near the brown drafts, what are the coldest stars, what can be found in the universe. The brown draft is cooler and smaller than the red draft, and some of them are actually smaller than Jupiter, but they are forming with heavier elements than Jupiter and in those cases, the pressure and heat are enough high, that sometimes inside those stars happens short term fusion reaction.
When there is a pause in the nuclear reactions inside brown dwarf, the star would start to get smaller, and the pressure inside the star would rise. That will start the fusion, what causes that the brown dwarf would get bigger. When the pressure would get lower, nuclear reaction inside those "cepheid dwarf" would get low, and fusion will stop. The reason, why I called brown dwarfs as "Cepheid dwarfs" is that they are acting like other cepheid-stars, but brown dwarfs are smaller than those "normal cepheids".
The red spot of Jupiter is a very interesting phenomenon because using it the scientists would get information, that would there be water in Jupiter's atmosphere. There is a little possibility, that in the clouds of that planet would be tiny organisms like bacteria or even amoebas and medusa-looking organisms, what would be hanging in the clouds of that gas giant. The idea of those lifeforms is not actually my own, I took it from the Carl Sagan's book "Cosmos", what is very interesting to read even in the almost 40 years after it was published. The idea that there would be primitive lifeforms in other planets is not new.
There are suspected to be found the bacteria in other planets and moons in our solar system. And one of the promising places after the Europa moon is Triton, the giant moon of Neptune. There are black geysers on the surface of this moon, and that has given an idea, that the life form on other planets would use volcanic heat for making energy for their processes. That would allow the bacteria level organisms existing in many moons, where are volcanic actions, what gives energy for those organisms, what are living in the weak sunlight, what couldn't maintain photosynthesis.
Sources:
https://www.nasa.gov/mission_pages/juno/main/index.html
https://en.wikipedia.org/wiki/Brown_dwarf
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