164. Neil deGrasse Tyson — Cosmic Queries: StarTalk’s Guide to Who We Are, How We Got Here, and Where We’re Going
The Michael Shermer Show
00:00
The Question Marked Nebula
i thought i'd dive into a this conversation by channelling my inner donald rumsfeldfo his famous two thousand two press briefing, where he said there are known knowns. We also know that they are unknown, no unknown unknowns. This would be something like the known unknowns, right? We know there's something there, we just don't know what it iss. And notn te known unknowns. That's grant on a level that we can't actually quantify it. So add a, dark matter, dark energy. This 96 % of what is driving this universe, and we don’t know what it is. It should be called dark gravity.
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