Since how we understand the universe seems rather important, the link above is a gift🎁link to the article, so that even if you do not subscribe to The New York Times, you can read the entire article. Below are a few excerpts:
Not long after the James Webb Space Telescope began beaming back from outer space its stunning images of planets and nebulae last year, astronomers, though dazzled, had to admit that something was amiss. Eight months later, based in part on what the telescope has revealed, it’s beginning to look as if we may need to rethink key features of the origin and development of the universe.
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But one of the Webb’s first major findings was exciting in an uncomfortable sense: It discovered the existence of fully formed galaxies far earlier than should have been possible according to the so-called standard model of cosmology.
According to the standard model, which is the basis for essentially all research in the field, there is a fixed and precise sequence of events that followed the Big Bang: First, the force of gravity pulled together denser regions in the cooling cosmic gas, which grew to become stars and black holes; then, the force of gravity pulled together the stars into galaxies.
The Webb data, though, revealed that some very large galaxies formed really fast, in too short a time, at least according to the standard model. This was no minor discrepancy. The finding is akin to parents and their children appearing in a story when the grandparents are still children themselves.
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Working so close to the boundary between science and philosophy, cosmologists are continually haunted by the ghosts of basic assumptions hiding unseen in the tools we use — such as the assumption that scientific laws don’t change over time.
But that’s precisely the sort of assumption we might have to start questioning in order to figure out what’s wrong with the standard model. One possibility, raised by the physicist Lee Smolin and the philosopher Roberto Mangabeira Unger, is that the laws of physics can evolve and change over time. Different laws might even compete for effectiveness. An even more radical possibility, discussed by the physicist John Wheeler, is that every act of observation influences the future and even the past history of the universe. (Dr. Wheeler, working to understand the paradoxes of quantum mechanics, conceived of a “participatory universe” in which every act of observation was in some sense a new act of creation.)
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The philosopher Robert Crease has written that philosophy is what’s required when doing more science may not answer a scientific question. It’s not clear yet if that’s what’s needed to overcome the crisis in cosmology. But if more tweaks and adjustments don’t do the trick, we may need not just a new story of the universe but also a new way to tell stories about it.
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Image caption: "These six galaxies may force astronomers to rewrite cosmology books. (Image credit: NASA, ESA, CSA, I. LABBE)"