Interstellar visitors ‘Oumuamua and comet 21/Borisov are not alone in our... travellers started life elsewhere. But, unlike the recently identified interstellar visitors ‘Oumuamua, and comet 21/Borisov, which are just passing through our Solar System ...
... gaseous nickel has also been detected surrounding comet 2I/Borisov, the second observed interstellar interloper after ʻOumuamua. Ranging in size from a few hundred meters to loosely packed balls of ice and dust tens of kilometers across...
2017 was a remarkable year for all things astronomical and for the rocket and satellite industry. We said a sad farewell to one of the most distinguished planetary missions of our time - Cassini. However we also said hello to the first interstellar ...
... would structure future searches for intelligence elsewhere. Unfortunately, the exotically shaped space object ‘Oumuamua that Breakthrough Listen helped monitor in December 2017 is unlikely to be an alien spacecraft. Another possibility, Wertheimer...
...2019 Q4 (Borisov) is the second such interstellar object to be identified whizzing through the Solar System; the first, 'Oumuamua, was spotted in 2017. Given the (relatively) quick succession of these discoveries, it is not unreasonable to think that...
... is currently not satisfactorily explained. For instance, the famous ‘Tabby's Star’ with its bizarre dimming behaviour; ‘Oumuamua’ - the interstellar object that passed near Earth in 2017; unexplained optical pulses that last mere nanoseconds...