Day: 22 June 2022

This Tiny Dot is one of the Biggest, Most Active Galaxy Superclusters Ever Seen. It Was Already a Monster Shortly After the Big Bang

A newly discovered supercluster of galaxies is so distant that astronomers say its light has been traveling for over twelve billion years to reach telescopes on Earth. But this cluster, named SPT2349 ?56 is gigantic, and so old that it is actually classified as a proto-cluster of galaxies, meaning it might be one of the …

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Another few Weeks of Observations Could Tell us if the Wow! Signal Repeats

In the decades-long search for extraterrestrial intelligence, there has never been confirmed evidence of an alien signal. There have, however, been a few tantalizing mysteries. Perhaps the greatest of these is known as the Wow Signal. Observed on 15 August 1977 by the Big Ear radio telescope at Ohio University, the signal was a strong, …

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