Identify the nature of 'Oumuamua – it's probably a comet, but …
[ad_1] Enlarge / I mean, maybe, no? May be? Probably not, though. Almost certainly not. Shortly before Halloween, the chairman of the Harvard Astronomy Department openly declared that an interstellar object passing through our solar system might well be part of an extraterrestrial craft. And then … the crickets. The astrophysics blog Centauri Dreams told … Read more