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& # 39; Oumuamua & # 39; – the first interstellar object found in the solar system – was reclbadified into a comet, after scientists undertook a thorough examination since its discovery last year.
By combining observatory data, astronomers have found that the object is moving faster than expected. The measured speed gain is minimal and 'Oumuamua & # 39; slows down again because of the attraction of the Sun.
The team, led by Marco Micheli of ESA, explored several scenarios to explain the faster speed than expected of this speed. particular interstellar visitor. The most likely explanation is that "Oumuamua" discharges material from its surface because of solar heating – a behavior known as degbading. The thrust of this ejected material is supposed to provide the small but steady thrust that is sending Oumuamua off the solar system faster than expected – as of June 1, 2018, it travels at about 114,000 km per hour. Such degbading is a typical behavior of comets and contradicts the previous clbadification of Oumuamua as an interstellar asteroid.PTI
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