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<\/a>The ATLAS system, a network of powerful telescopes located in Hawaii, Chile, and South Africa, operated by NASA and the University of Hawaii, continually scans the sky to track moving objects, such as asteroids and comets. This time, ATLAS found something unexpected: an object whose orbit and speed suggested it did not originate from the Oort Cloud or the Kuiper Belt, the two vast reservoirs of comets in our solar system. The Oort Cloud, an imaginary shell about one light-year from the Sun, and the Kuiper Belt, a region beyond Pluto, are the birthplaces of most of our solar system\u2019s comets. But this object, with its peculiar entry angle and astonishing speed of 68 kilometres per second, told a different story. It seemed to have been flung toward us from another star system, perhaps from the vicinity of an unknown star.<\/p>\n\n\n\n
This is not the first time such a guest has visited our solar system, but such encounters are rare. In 2017, a peculiar object named \u02bbOumuamua was discovered. Its elongated shape and unusual behaviour sparked countless rumours, marking it as the first known interstellar visitor. Then, in 2019, Comet Borisov, with its classic comet halo and tail, became the second confirmed guest.<\/p>\n\n\n\n