Astrophysicists are back to square one in trying to attach a conventional explanation to the oddity presented by ʻOumuamua, the first known interstellar object to pass through the Solar System. While making its close pass to the Sun, ʻOumuamua sped up ever so slightly, prompting at least one prominent researcher to speculate
Interstellar Interloper ‘Oumuamua may have been an Extraterrestrial Spacecraft, according to Harvard Astronomers
A controversial paper has been published by astronomers at Harvard University that suggests that that the odd behavior being exhibited by the interstellar object known as ‘Oumuamua might actually be an artificial object that was built by an extraterrestrial civilization in the form of a solar-powered "lightsail".
One of the founders of the Breakthrough Listen Project, Yuri Milner, has announced that they will be investigating the Solar System’s first recorded interstellar visitor, the asteroid ‘Oumuamua, for any potential artificial signals originating from the object. Although Milner admits that it’s unlikely that their investigation will find anything, ‘Oumuamua’s characteristics are strange enough to warrant a look.
New observations of the Solar System’s first known interstellar asteroid, A/2017 U1, has revealed new and unusual information regarding our visitor from afar, including its size, color — and that it is shaped like a cigar.
Using the European Southern Observatory’s (ESO) Very Large Telescope (VLT) in Chile, astronomers have found that the asteroid, now named ‘Oumuamua, is a dark red color, much like other Kuiper belt objects that orbit on the extreme fringes of the solar system.