Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth with our astrophysicist host: Matthew O’Dowd.
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Matt O'Dowd spends his time studying the universe, especially really far-away things like quasars, super-massive black holes, and evolving galaxies. He uses telescopes in space to do it. Matt completed his Ph.D. at NASA's Space Telescope Science Institute, followed by work at the University of Melbourne and Columbia University. He's now a professor at the City University of New York's Lehman College and an Associate at the American Museum of Natural History's Hayden Planetarium.
Previous host Gabe Perez-Giz is an astrophysicist who studies black hole physics. He received his Ph.D. from Columbia University and also hosted PBS Infinite Series.
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To shreds you say?
So now we have AI replacing paid human presenters, great!! We’re all being replaced 😢
I am thoroughly enjoying your discussions. The way you explain, very unique. Very simple to comprehend. Thanks homie
Our most distinctive impact to the geologic records would be micro-plastics.
Why we never bump onto another things out on the vast space but lot of things seem like targeting us as the impact zone all the time. Why?
I just thought up a 3 am theory that links dark matter and the lack of antimatter pretty damn well Not posting it publicly as that could get it stolen and if im right i want that nobel prize
I've also read that there's a potential for helium isotopes that are needed for fusion fuel, something that's not readily available on earth.
would love to see a video explaining what quantum physicists mean by causation, and how the interaction of particles does not imply causation in the context of entanglement. how can an experiment generate entangled pairs of particles if there is no causal link?
Does the higgs field give mass to dark matter?
They need to make some type of space laser line highway system that can be seen from a certain distance in space. So any unknown aliens could see a light emitting in the nights sky an see it trailing from one spot.
Research Levanthal's Paradox and attempt to fathom its implications. We most likely are alone.
Hmm, reminds me of a Doctor Who episode.
China wants to go the Dark Side. The USA wants the South
Lies from idiots
Hopefully
Well I know one thing that gravity is not, it is not what is represented in the ridiculous bowling-ball-on-a-trampoline model as depicted in the thumbnail.
NEEDS MORE HAND GESTURES
I've had a theory kind of like this for a while, that black holes all (somehow, I'm not even remotely an astrophysicist) lead backwards in time, until they reach the beginning, so everything that goes into them ends up all converging at the same place at the same time, which is the big bang.
I would also add an option branch from B ignoring to send a fleet out, scout, see what’s going on, and have the chance of contact and direct confirmation. Kinda like Teddy, speak softly and carry a big stick.
Immediately, I had Billy Preston's Nothing from Nothing in my head🤣 Nothin' from nothin' leaves nothin' You gotta have somethin' if you wanna be with me Nothin' from nothin' leaves nothin' You gotta have somethin' if you wanna be with me I'm not tryin' to be your hero 'Cause that zero is too cold for me (Brr) I'm not tryin' to be your highness 'Cause that minus is too low to see, yeah...
Here's one for you.......we are inside the black hole at the center of the milky-way........but the gravity distorts our view so much tht we think we are outside it.......but actually we are in it..............but............it...........doesn't.........look that way. Makes sense?
i remembered the future . i meet a girl and somehow knew i would meet her again about 10 years later. i even wrote down where she lived, un case i meet her ib the future. meet her about 10 years later about 500 km from 10 years ago. the 10 years after i remembered i remembered another case with this girl. i rememveted that she would get into a car axident. about 11 months in the future. i told that to her mother. her mother asked when that would happen. i remembered it as 13 december 1986. but told ger rhat i did not kniow exactly. i did not wish her to think about horror movies. so i told her it would hapoen in rhe middle off decenber that year. i also told her that i wad not there, and did not knowxwhy i was not there. at the time off her accident i wad 500 km away. my relasion with her was like a very long dejavue. there were other situations like this but less strong.
The race that owns it finally gave us permission. Also we are on the verge of helium 3 fusion reactor tech. The Moon is covered with helium 3
yes they exists. that is why we use telescopes to look back on time. we get the energi from the past , today. and ww sent energi back. that they will recive . at another time. it is imposible to ses each other at the same time. even when we only stand one meter from each orher. light takes time to travel 1 meter. totaly imposible. but they both exist in rhe past and now atcthe same time. just delayed a little by light travelibg 1 meter. hearing each other is even worse because sounds travel slower. this makes energi movements at different speeds.
Man... What a giant waste of space n time! God needs a lesson in Efficiency n Resource Management. 😂 Thats why i still doubt this stuff.
Science is crazy they invented it to blaspheme the word of God the creator but every answer they are looking for the most high already knows 😂 this can go on until the end of time man will never reach a conclusion
soo they discovered what everyone allready knew
My neighbor just had a fight with his wife at this moment because of alcohol we can't be the smartes out there what is wrong with this KZreadr
Uuuh 🫨My brain 🧠
light does not travel in straight light.. because 4here is gravity everyplace . the light bending results in phase shift off the light. redshifting it. cheating us to belive the source off the light is moveing too us. meaning. we need to calculate where the light source really is in the universe. the direction and distace is not were we see it. if u it is gravity bended
I didn’t know Lord Farquaad liked Physics
Its like there is a halving everywhere that occurs at a set rate, the more parts halving the greater the acceleration.
No.. time creates space.. the way we define time.. we use movement. but the universe does not need movement to create time. that is how the universe started. time started. space was created. then at some point some plus engergi was there and another place negarive energi. the energi flow and creates particles. that happend a lot off places. then the particles became more dence.. and the first helium was created. then suns and galaxys and so on. but because we use movement to define time. we will never really know if the universe needs movement to create time. it is like a our freezers. no movement. but time goes on.
I hear the Ferengi bought their warp technology maybe we should look into that
Electrons are one quantum.
Can you quantize time or space?
There are only three forms of strings. Only one exists in our universe for any length of time. That one is a quantum. The surface vibrates at the sp
At the speed of light. One half the thickness of it's surface out and one half in. This vibration is so fast that it causes things to stick to it. This is gravity. Thank you.
I think there are dust storms that get focused by Valles Marineris? I might be wrong though.
How could PBS/Spacetime platform such an absurd hypothesis? Do you know nothing about biology, geology, evolution? How long it would take for a civilization to evolve and decay without any fossil or archeological record? This is a notch down on my respect for PBS.
Why not do an episode on Wolframs approach using graph theory to unify GR & QM ?
that continuous high pitched whine in the background is very distracting and somewhat unsettling, as if Matt is bombarding us with subliminal auditory projections
Incredible writing and great presentation. I love this channel.
Distance isn't real. It's relative to the observer. The motion of observer is the projection of the reality it observes like a 2D plane in 3D. Entanglement means the observation is in the SAME plane as that of the entangled electrons. Without observation/measurement the observer is NOT in the same plane as that of the wave. All this means our universe is a projection of 5D spacetime. We can only see multiple 4D projections of the 5D "reality".
Two waits. Each wait connected to a pully that can lift 2x its weight. When the weight on one side reaches the bottom it activates a leaver which make a gear change giving the other side the pully power. The driveshaft will only loose its torque for a split second. The way a back wheel of a pushbike only powers one way will need to be put into some of the gears. It works cos ive seen it working in a dream. My spelling skill prevents me explaining in full
The world (earth) is rushing back to the moon? I've read the distance between moon and earth increases at a rate of about 3.78 cm per year ;)
I suspect neutrinos stole all the antimatter, just like they stole most of the energy in the universe.
God created our dimension of existence and the creation of human beings. Over time, he had to make adjustments to our creation as you can see of the historical skulls you know that exists. Give God a moment to thank him, and see your life improve. God loves gratitude for him creating us.
Black holes are just stronger neutron stars, that have gravitational pull strong enough to trap light and other electromagnetic waves
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