Complex Dark Matter

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After a century of study, scientists have come to the realization that the ordinary matter made of atoms is a minority in the universe. In order to explain observations, it appears that there exists a new and undiscovered kind of matter, called dark matter, that is five times more prevalent than ordinary matter. The evidence for this new matter’s existence is very strong, but scientists know only a little about its nature. In today’s video, Fermilab’s Dr. Don Lincoln talks about an exciting and unconventional idea, specifically that dark matter might have a very complex set of structures and interactions. While this idea is entirely speculative, it is an interesting hypothesis and one that scientists are investigating.

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No doubt scientists in the dark galaxies are wondering where the missing 5% of their matter is.

quillaja

Definitely my favourite T-shirt so far 😂

"If we knew what we were doing it wouldn't be called research, would it?"

williambaker

My thoughts : 🤔
Galaxy rotation curve is may be little bit due to distribution of gravitational time dilation of space from galactic center to us and from us to outer side of galaxy for our Galaxy and same for all galaxy's
Because mass density in the center of galaxy is higher then middle ( where our earth is ) so time runs slower in center then middle, so stars only appears that it is moving slower relative to us . And for why we see outer stars of galaxy orbiting faster then it should be it is because time runs faster in less dense area of outer side of galaxy so that appears that they are moving faster relative to us .
If it's wrong then why ???

omsingharjit

I know this isn't on topic with the video, but is there any possible way to manipulate the Higg's field artificially? Like, hypothetically? Could the Higgs field be bent around certain objects to make them seem mass-less, and pretty much negate inertia? Or am I misunderstanding the Higgs field?

cortster

I'd call it "Dead Space".

raineashford

The satellite galaxies in the animation look like lemons lol.

cumulus

Love this wee show... Do one on the faster than light cosmic rays I can't remember exactly what was going on but I think it was a relativistic querk

northernirishman

Could the graviton be a dark matter particle?

teknifix

But, then again, it might as well be that Dirac was right with his Large Numbers Hypothesis and so gravity constant G goes inversely proprtional to the age of the universe, and the unaccounted mass is just an effect of the delayed observation.. Basically we observe distant regions as they were millions or billions of years ago and we apply G as it is now when modeling their motion.

vinicionincheri

Scientists are highly respected, huh? Boy, lemme fucking tell you about the year 2020.

approachingcalamity

2:03 the animation is showing galaxy in which the planets rotate faster towards the center and slower at the periphery...didnt Vera Rubin show that this is not the case..and that stars orbit with the same speed ?
PS Im not a physicist, ...

savcob

I didn't even know there WERE satellite galaxies

jreaganmorganchannel

On a dark-matter planet a dark-matter alien is looking up at the sky, wondering what that invisible berionic matter is.

LamirLakantry

"He received a Ph.D. in experimental particle physics from Rice University in 1994. In 1995, he was a co-discoverer of the top quark.[2] He has co-authored hundreds of research papers, and more recently, was a member of the team that discovered the Higgs boson in 2012."

Lincon is indeed the greatest science youtuber.

aryansingh