Study Challenges Dark Energy Theory, Suggests Universe\u2019s Expansion May Be Slowing
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\nA new astronomical study has cast doubt on one of modern cosmology\u2019s most widely accepted theories \u2014 that the universe\u2019s expansion is accelerating due to dark energy.<\/p>\n
The research, led by Prof. Young-Wook Lee of Yonsei University, South Korea, suggests that cosmic expansion may, in fact, be slowing down, raising the possibility that the universe could one day collapse in a \u201cbig crunch.\u201d<\/p>\n
The study, published in the Monthly Notices of the Royal Astronomical Society and reported by The Guardian, proposes that dark energy \u2014 the mysterious force believed to drive acceleration \u2014 is weakening over time. \u201cOur study shows that the universe has already entered a phase of decelerated expansion,\u201d Lee said, calling it a potential \u201cparadigm shift\u201d in cosmology.<\/p>\n
Using age estimates of 300 supernova-hosting galaxies, the team found that earlier assumptions about uniform supernova brightness may have skewed previous conclusions. Correcting for these variations indicates a slower rate of expansion.<\/p>\n
The findings echo earlier results from the DESI (Dark Energy Spectroscopic Instrument) consortium, suggesting growing scientific debate over dark energy\u2019s nature. While many astronomers remain skeptical, experts say the study raises important questions about the universe\u2019s ultimate fate \u2014 and the validity of the Nobel-winning theory of cosmic acceleration.<\/p>\n","protected":false},"excerpt":{"rendered":"
Study Challenges Dark Energy Theory, Suggests Universe\u2019s Expansion May Be Slowing —————————————— A new astronomical study has cast doubt on one of modern cosmology\u2019s most widely accepted theories \u2014 that the universe\u2019s expansion is accelerating due to dark energy. The research, led by Prof. Young-Wook Lee of Yonsei University, South Korea, suggests that cosmic expansion …<\/p>\n","protected":false},"author":1,"featured_media":136515,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"facebook_108372464460192_245495985553329":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[21],"tags":[],"class_list":["post-136516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science"],"yoast_head":"\n