The crew, NASA astronaut Nick Hague and Russian cosmonaut Aleksey Ovchinin. escaped safely and successfully.[383] Astronomers from Harvard University suggest that the interstellar object 'Oumuamua may be an extraterrestrial solar sail from an alien civilization, in an effort to help explain the object's "peculiar acceleration".[384][385][386] 2 November Two independent teams of astronomers both conclude, based on numerous observations from other astronomers around the world, that the unusual AT2018cow event (also known as Supernova 2018cow, SN 2018cow, and "The Cow"), a very powerful astronomical explosion, 10 – 100 times brighter than a normal supernova detected on 16 June 2018, was "either a newly formed black hole in the process of accreting matter, or the frenetic rotation of a neutron star."[387][388][389][390] The world’s largest neuromorphic supercomputer, the million-core 'SpiNNaker' machine, is switched on by the University of Manchester, England.[391]