Could the dinosaurs have seen the asteroid that killed them? – astronomy.stackexchange.com 01:40 Posted by Unknown No Comments Wikipedia says the Chicxulub impactor is thought to have been a 10-15 km diameter object. Would it have been visible to a (human*) naked eye before impact? And if so, would it have appeared like a ... from Hot Questions - Stack Exchange OnStackOverflow via Blogspot Share this Unknown
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