Astronomers from the United States and Europe believe that the James Webb Telescope‘s discovery of a large number of large spiral galaxies that were formed at the beginning of the universe raises doubts about the currently accepted theory.
According to a statement by the press office of Case Western Reserve University, the currently accepted theory says that dark matter plays an important role in creating the first “seed” of galaxies.
Professor Stacey McGaw said: “Astrologers invented dark matter to explain how matter that was evenly distributed in the early universe became a collection of large galaxies and the gaps between them. The theory based on this idea shows that all great diseases arose as a result of the growth of very small clusters of matter at the beginning of the universe, but this idea does not agree with it what we see in the pictures taken by James Webb.
He pointed out that, according to the current ideas of cosmologists, the first galaxies appeared in the universe about 300-400 million years after the Big Bang, when their matter had time to cool to a temperature that allowed cold gas clouds form in the stars. could form.
Astronomers initially assumed that the universe’s first galaxies were relatively small and growing slowly, but the first images of the early universe taken by Hubble and James Webb indicating that there was an unusually large number of spiral galaxies similar in size to the Milky Way. . The existence of these galaxies is considered a great mystery, which provoked a fierce debate among scientists that continued for many years.
To resolve these disagreements, Professor McGaw, based on images taken by James Webb in recent years, prepared a computer model of the early universe. Using this model, scientists calculated the growth process of a large number of galaxies, relying on both the classical theory of dark matter (lambda-CDM) and the alternative, the modified theory of Newtonian dynamics (MOND).
According to him, the results of these calculations showed that (lambda-CDM) is not able to recreate the group of small and large galaxies discovered in the last few years in images of the early universe taken by James Webb. The MOND theory gave much clearer and better results, which raises doubts about the currently accepted ideas about the formation and growth of galaxies.
How do advancements in technology, like the James Webb Telescope, influence our ability to detect and study spiral galaxies and their implications for dark matter theories?
1. Can you briefly introduce yourselves and your areas of expertise related to the discovery of spiral galaxies and their implications on the current understanding of galaxy formation?
2. What exactly is the currently accepted theory on dark matter’s role in the formation of the first “seed” galaxies, and how do these newly discovered spiral galaxies challenge this theory?
3. How did you use computer modeling to compare the growth processes of galaxies under both the classical lambda-CDM theory and the alternative MOND theory?
4. What are some of the specific challenges that the currently accepted theory faces in explaining the size and number of spiral galaxies observed by the James Webb Telescope?
5. In what ways might the findings from this study impact our understanding of galaxy formation and evolution, as well as our overall knowledge of the universe?
6. What are some potential next steps or avenues for further research in this field now that these discrepancies have been identified?
7. Do you think the results of this study could potentially lead to a paradigm shift in our understanding of galaxy formation, or is it more likely a refinement of existing theories?
8. How do you think the general public can get involved in helping advance our understanding of the universe and these types of groundbreaking discoveries?
