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Bizarre interstellar object oumuamua may explode piece of Pluto-like planet

Technology   2021-03-17 03:37:48

In this image, Oumuamua looks a bit like a fleshy Millennial Falcon, but it could be a remnant of a similar planet to Pluto. William Hartmann Since the visit of "Oumuamua, the first interstellar object we found roaming our solar system , scientists were won over by it. It "sa wanderer confusing cosmic - so strange that some scientists have even postulated that it could be alien technology (although there is no real evidence for this.) A new theory, which appears in two articles published Tuesday in the Journal of Geophysical Research: Planets, postulates that the strange object could be a piece ejected from a Pluto-like planet that was kicked out of its home solar system about 400 million years. "This research is exciting in that we have probably solved the mystery of what Ou muamua is, " sa id Steven Desch, an astrophysicist at Arizona State University and co-author of the new studies. "We can reasonably identify it as a piece of exo-Pluto, " "a Pluto-like planet in another solar system. " Science From the cosmos to yourmailbox. Get the latest space stories from each week. Oumuamua (Hawaiian for "scout " or "messenger ") was discovered in 2017 as it circled the sun out of our solar system. It was observed in October and November 2017 before disappearing into obscurity. And it was weird. He was behaving strangely. Observations suggested it was cigar-shaped, and as it rounded the sun it picked up a lot of speed - more than expected - without showing any signs of gas leaking, a telltale marker of a comet. Find out more: Harvard"s Avi Loeb safer than ever that we have been visited by an alien spacecraft Desch and co-author Alan Jackson believe that in another planetary system, somewhere in space half a billion years ago, a collision between two cosmic bodies caused an explosive ejection of nitrogen ice. A pancake-shaped block was thrown out of his house and into the space between the planetary systems. In the freezing depths of the cosmos, this solid block of nitrogen roamed, being slowly chipped apart by radiation. As it entered our solar system and approached the sun, the nitrogen warmed up, giving it some speed, while producing the cigar shape that Earth observers have. noticed. Jackson says the heater would have flattened the object, as did the way the outer layers of a bar of soap rub off during use. It "sThis is a neat explanation, which represents all of Oumuamua "s strangeness, and it is an exciting hypothesis as it suggests that Oumuamua is the first piece of an exoplanet that visited our solar system. The reflectivity of Oumuamua also matched what astronomers observed on Pluto and on Neptune"s moon Triton, which are rich in nitrogen. In a distant young solar system, where bodies were constantly bumping into each other, it"s reasonable to assume that pieces were thrown for a mad race in space and we just saw one go by. "We thought it was possible that there were Pluto in other solar systems with nitrogen ice on their surfaces and a piece of it -It could have entered our solar system and explained everything we saw, "Desch sa id. And that, he says, puts the brakes on the theory of alien spaceships. "Everyone is interested in aliens, and it was inevitable that this first object outside the solar system would make us think of aliens," Desch sa id. "But it is important in science not to jump to conclusions. So far, scientists have only discovered two interstellar objects. The second, 2I / Borisov , was found in late 2019 and was quite ordinary in comparison . It was almost certainly a comet, but surprised thescientists with unique features . Follow Space Calendar 2021 from to stay up to date with all the latest space news this year. You can even add it to your own Google Calendar.