[00:00] Now’s the perfect time to grab the 12,026  calendar – and get it in time for the holidays. Our best theory of the universe  could be wrong – finally. Thanks to amazing new technology,
[00:16] our understanding of the universe is  moving faster than it has in years. And if we are fortunate, we could be at the  edge of the next revolution in the way we see the cosmos – a moment as exciting as when we first  realized that the Earth revolves around the Sun,
[00:31] that the stars are other suns, or that our galaxy  is just one tiny island in an ocean of trillions. Because for the first time in ages,  the universe is misbehaving.
[00:45] Nasty Universe One that explained how the universe began, what  it’s made of, and how it’s supposed to behave.
[00:57] made us feel like we’d almost  deciphered the cosmic code. as our telescopes got better and our  data sharper, cracks started to appear.
[01:10] Strange mismatches between what the  theory predicted and what we actually saw. At first they looked like silly mistakes,  noise that would go away with more data. Some cracks got larger, new ones emerged,
[01:27] and our once perfect picture of the cosmos  began to look less and less … perfect. Two centuries ago, astronomers noticed that Uranus’ orbit didn’t quite  follow the laws of gravity.
[01:41] they proposed that a “dark planet”  was tugging on Uranus from afar. Shortly after, Neptune was discovered –  exactly where the math said it would be. Its orbit also didn’t make sense,  so scientists tried the same trick.
[01:58] The answer wasn’t more stuff,  but a completely new idea. Gravity had to be reimagined, and we  invented general relativity – opening So are we going through a  Uranus moment or a Mercury one?
[02:17] The first signs that something deep  could be off began piling up around 15 years ago – in the form of a few  seemingly impossible cosmic monsters:
[02:29] A “giant arc” of galaxies over  3 billion light-years wide. A massive group of quasars  spanning 4 billion light-years. An unfathomable wall of galaxies  stretching ten billion light-years
[02:45] from end to end – a whopping 10%  of the entire observable universe. There are also monstrous voids: And according to some surveys, we  happen to be living deep inside
[03:03] one of them – a gargantuan “local  hole” 2 billion light-years across. Well, the universe is organized  in ever larger structures: galaxies, galaxy clusters,  superclusters and eventually
[03:17] filaments – truly gargantuan structures  separated by equally enormous voids. But our cosmic theory says that these  things can’t get arbitrarily large. the filaments and voids should  blur into a uniform soup.
[03:33] a basic pillar of all our attempts  to make sense of the cosmos itself. Our understanding of the universe  rests on one key assumption: This is the idea that, if you zoom out far enough,
[03:49] This is crucial because it means that our limited  view of the cosmos is a fair sample of the whole. we can learn things about the entire universe.
[04:05] Both the cosmos itself and our place in it might  be more unruly and chaotic than they should be. But if the cosmological principle turns  out to be wrong, we have a huge problem. we could be like ants trying to guess the flavor  of a cake while sitting on its only cherry.
[04:24] Everything we see might just  be local weirdness – a cosmic quirk that doesn’t tell us the  actual story of the universe. Second Crack – A Universe at Two Speeds
[04:36] It tore straight at the fabric of  space – challenging how fast it grows. We know this because we have  different ways to measure it
[04:48] The problem? They can’t agree on how fast. It’s like measuring the speed of a car using  two devices and getting different results. You read 67 on the speedometer, but 73 on the GPS.
[05:03] But then you check them again and again  and again… and both work flawlessly. The details are messy and complicated,  but they don’t matter for this story.
[05:18] The important part is that, as measurements and  calculations have become more and more precise, By now, the chance that this mismatch is just an  accidental fluke is less than one in a million.
[05:32] The universe is literally giving us two  different answers to the same question. So something fundamental must be broken –  either our measurements of the universe, Third Crack – Old Galaxies in a Baby Universe
[05:49] It shattered a key part of our cosmic timeline  – how and when the first galaxies formed. Light from distant galaxies takes so long to reach us
[06:03] that we don’t see them as they are  now, but as they were in the past. In 2021 we launched the James Webb, the  most powerful space telescope ever built. massive galaxies so distant that they belong to  a time when the universe was extremely young.
[06:21] Some are so premature that they date back to 280 million years after the Big Bang –  far earlier than anyone expected. Our theory says that the amorphous soup  of matter that emerged from the Big Bang
[06:34] Tiny lumps of dark and normal  matter gathered under gravity, building larger chunks that then  fused into even bigger ones and so on. By our best estimates, the  first large galaxies should
[06:50] have emerged 500 million years after  the Big Bang or so, not much before. But it isn’t only that we’ve found  large galaxies existing way before that. The new galaxies also seem to be too mature.
[07:03] Matter in the baby universe was made up  almost entirely of hydrogen and helium. Heavy elements like carbon or nitrogen were  only forged later in the cores of stars, But some of these super early galaxies  contain a lot of heavy elements – meaning
[07:18] that entire generations of stars must  have lived and died even before them. Either the first galaxies  sprouted in fast forwards, or we are missing something huge  about the infancy of the universe.
[07:33] These problems aren’t the only ones. Our theory also says that the Big Bang  should have created 3 times more lithium than we see out there – a decades-old  itch that astronomers just can’t scratch.
[07:47] It predicts that dark matter should  pile up sharply at galaxy centers, It says that dark energy, the mysterious  force pushing the universe apart, But last year, one of the  biggest galaxy surveys ever
[08:02] conducted dropped the bombshell that  it may have been changing over time. If true, this would overturn our current picture  of the universe, its past and its future. like the interpretation of the cosmic  microwave background, are suddenly up
[08:18] for debate – those early galaxies might have  been bright enough to contaminate the signal. But the mere fact that such fundamental  pillars are being discussed is staggering.
[08:30] So ok – what does all this mean? Some scientists argue that  these aren’t real cracks, but mirages that will disappear with time, or  raw gems that will end up refining our theories.
[08:45] Others are more radical and say  we need completely new ideas. difficult to ignore – the  sense of crisis is growing. we don’t really know what cosmology  will look like when the dust settles.
[09:01] Because in science, “crisis” doesn’t mean failure. It means that the machine is healthy and working. but in cycles – periods of  calm followed by sudden crises.
[09:15] When a crisis hits, experiments start giving  results that don’t fit existing theories, And eventually, there is a revolution. A deeper truth emerges, and a  new cycle starts over again.
[09:30] The universe is screaming  that our story is incomplete. one thing is certain – the cosmos is  about to get a lot more interesting.
[09:46] Science makes progress because  people make a plan – and are That also goes for managing your business. a suite of business apps that cover  all the needs of your activity.
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