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The mystery of the Moon is more than twice the size of the Earth – Corriere.it

Kepler-1708b-i was discovered 5,500 light-years away between the constellations Cygnus and Lyra

After exoplanets around other distant stars in the galaxy, astronomers have now been able to collect traces of the presence of First, the moons are located in the vicinity of those distant celestial bodies. Currently, the protagonist is David Kipping with his group of astronomers from Columbia University in New York. Together they wrote a file Interesting report
natural astronomy
It tells about finding evidence of a giant exoplanet near the exoplanet Kepler-1708b hidden between the planets Swan and Lyre 5500 light-years from Earth.

more than double

Its size is especially surprising a radius 2.6 times larger than the diameter of the Earth, Almost ten times that of Celine. There is no such moon in the solar system. So the existence of Kepler-1708b-i, as baptized, opens up a new world that one can only imagine existed without any evidence. Kipping has been working on it for a decade, and reported four years ago that he had picked up an exoluna signal, which has yet to be confirmed. The insistence now is to come up with a new candidate that impresses and raises questions not only about its extraordinary properties but above all about the composition of moons in planetary systems that could be very different from those that existed so far.

Searching for exolunas

Kipping has surveyed about seventy exoplanets very far from the parent star, More than 150 million km, in favorable conditions for difficult research. By measuring the parent star’s light attenuation as an exoplanet passes in front, the scientist discovered an anomaly in brightness. All possible verifications led to the conclusion that it was precisely the presence of exoluna that gave birth to it. We won’t know how to explain it otherwise, he added. Strange in its supposedly invasive nature, its dimensions made it recognizable due to the weakness of the available tools. The same thing happened with the discovery of the first exoplanets. Comments, if confirmed, the question of his origins opens Mario Damaso Exoplanet specialist at the National Institute of Astrophysics in Turin. In addition to the two traditional explanations, i.e., that it was the result of a collision between two bodies or that it arose from the raw material from which the planetary walk arose, a third explanation can be advanced: that it was also one of the planets, in fact a super-planet of the parent star, which was then captured by the gravitational force of the planet The larger relative, which resembles Jupiter. Probably The new James Webb hyperspace telescope will find the answer.

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Jan 14 2022 (change on Jan 14 2022 | 21:37)