« Oumuamua »

Year 2017 was marked by the discovery of the first interstellar asteroid “Oumuamua” and of an exoplanet located around  Trappist1. 7 were discovered and 3 would be potentially inhabitable.

Interstellar asteroid “Oumuamua”:

The origin of the object named  1I/2017 U1 (‘Oumuamua) , was  confirmed . It is the first asteroid coming from somewhere else observed. The first measures show that it is very long “an extremely unusual form” for an asteroid . Some people wonder if it can include an extraterrestrial probe! Oumuamua has been listened to with a radiotelescope ATA, for approximately sixty hours and the results are negative , as planned.

Life elsewhere:

3 exoplanets of a similar size to the Earth have been discover 40 light-years from us and could be partially inhabitable. Despite this uncertainty , they are worth getting interested in it because they orbit around a little bright star which should allow to look for biosignatures there in a decade. It is, for the moment, our best luck to discover life somewhere else.                                                                                                                                                                                                                                                                                        

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