Reading one of the most up-to-date journals in the field of Astronomy I read that there was a remarkable discovery thanks to the signals from the Hubble Space Telescope suggesting that the exoluna should be as large as the planet Neptune and could orbit around a star and a planet Gaseous giant, such cosmic objects should be distorted at a distance of about 8000 light years from the Earth. Astronomers have perhaps found the first exoluna of a planet orbiting around another star.

Astronomers have used data from the Kepler telescopes of NASA and Hubble and have reported the potential trace of a moon the size of the planet Neptune orbiting around a planet 3 times heavier than Jupiter, cosmic objects would orbit around a star (similar to our Sun) with an age of almost 10 billion years. The distance from the Earth of these objects is about 8000 light years.

But such a big moon can put a strain on a simple explanation based on current prevailing theories concerning the formation of moons.

If this discovery were to be confirmed, the current conception of scientists on the formation of planets and moons could change. This would also have potential implications for the diffusion of life throughout the cosmos. When we talk about extraterrestrial worlds, the Universe is stranger than we can imagine.

If we take our solar system as a reference for all the other planetary systems then the moons should, enormously exceed the planets, from the point of view of the number. Identifying how and how often such cosmic objects are formed would give a great deal to astrobiologists in seeking life in our galaxy.

Statistical data from the Kepler telescope suggest that moons are particularly absent around the planets in their temperate orbits around their stars; this would indicate that the larger moons appear to be present in colder climates and habitable moons appear to be an extremely rare phenomenon.

It is believed that moons can be formed in three ways:

1) from the fusion of the residues of the formation of a planet (residues constituted by the rings of gas and dust);

2) from the debris projected in orbit around a planet following a gigantic impact;

3) from the gravitational capture by a planet following rare close encounters of pairs of asteroids or comets in orbit.

 

Unfortunately, this new proposal in the researchers does not fall into any of these theories on the formation of the moons. On the one hand it seems to be too big to be born from the melting of the formation residues of its planet, while on the other the planet is a gaseous giant that hardly succeeds in quickly expelling debris as a result of any imaginable impact. Finally, the gravitational capture through a close encounter with another cosmic object (even if possible) would require an improbably perfect concatenation of an unlikely series of circumstances.

This time, the researchers predict that the moon will be on the opposite side of its orbit, with a transit that will precede that of the planet itself. “We should see a separate and clear lunar event,” writes Kipping. “In case this happens, I think there are no more doubts about it. I think we could have a very closed case on this system ». Except, of course, on how it was formed in the first place.

I hope this news has pleased all of you knowing that the solar system thanks to advanced technology can always make itself full of surprises and new discoveries!

Marco

the images were taken from pixabay

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