JWST’s first triple-image supernova could save the Universe
<p>One of the biggest problems facing modern astronomers, astrophysicists, and cosmologists — every scientist who studies the Universe itself for a living — is that <a href="https://bigthink.com/starts-with-a-bang/hubble-tension-real-solution/" rel="noopener ugc nofollow" target="_blank">we do not understand how quickly the Universe is expanding</a>. The most direct method of measuring the expansion rate, by looking at more and more distant objects and tracking how quickly they appear to recede from us, consistently gives answers that are about 9% higher than the values we get from looking at signals imprinted in the very early Universe. This has led many to question <a href="https://bigthink.com/starts-with-a-bang/crisis-cosmology-exaggerated-lie/" rel="noopener ugc nofollow" target="_blank">whether there’s a crisis in cosmology</a>, and if we need to overhaul our entire way of looking at the Universe.</p>
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