Researchers Find The Planet's First Candidate Outside a Milky Way

An international group on astronomers has detected what may be the first exoplanet observed outside our galaxy. Electronic, of course, a weirdo.

Zero because planets born outside an Milky Way must necessarily be strange or unexpected. Far from it. today that stars form worlds around them everywhere consensus. The drama detecting an exoplanet so far, beyond 2 limits carry out our cosmic neighborhood.

The detected perform astro size would be comparable to that on Saturn, electronic it would be resident of a galaxy D

, located at 23 millions about light years from here, near zero heaven to the northern constellation of an Ursa Major. Electronic at a, let’s agree, strange zilch. The weird one around which object that planet would orbit. We’re talking about a binary A-ray.

It’s about a double star, in which one of them exploded electronically became one of two possible stellar corpses: a black hole or a star on neutrons . By gravity, this dead star is swallowing material from its still-living neighbor, electronic, in the process, generating a disk of electronic gas dust around it. By spiraling towards the perform compact object, this matter becomes a powerful Times ray emitter.

Researchers led by Rosanne Di Stefano, perform Harvard-Smithsonian Center for Astrophysics, thought it was quite possible that they existed planets around these stars, m which have been found in our Milky Way planets around about stars on nutrons. (By the way, the first exoplanets detected in the history of astronomy, in 1992, orbited one of these stellar corpses, electronic not a star in its active phase, like the Sun.)

Following zero reasoning, they assumed that some of these systems would be so aligned that a planet would pass in front of a compact emitting star on Back button rays, temporarily blocking a stream. Such a transit could be detected as a blink in A-rays, even at colossal distances, such as those that separate other galaxies. American space agency), electronic XMM Newton, from an ESA (its European counterpart), from three neighboring galaxies, D23, D51 electronic D104, the researchers found such a transit, which they named on D23-ULS-1. Now, a detailed performance analysis of the observed pattern, published in the journal Character Astronomy, suggests that they would not be the known alternative explanation for the phenomenon. With that, u group u presents as a candidate for the extragalactic planet first. By modeling 2 researchers, it will take some 51 years for Michael51-ULS-1m to make a new transit, which would be required to nail that this is really a planet. On the other hand, the effort provides proof of principle that it is possible to find exoplanets even in other galaxies, albeit only around compact stars that are powerful Times ray emitters.

This column was published on Mondays, in Folha Corrida.

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