astronomy · galaxies

Most Distant Galaxy Cluster Revealed by Invisible Light

Deep Space Viewing An international team of astronomers from Germany and Japan has discovered the most distant cluster of galaxies known so far — 9.6 billion light years away. The X-ray and infrared observations showed that the cluster hosts predominantly old, massive galaxies, demonstrating that the galaxies formed when the universe was still very young.… Continue reading Most Distant Galaxy Cluster Revealed by Invisible Light

astronomy · science

Nice interview of astrophysicist Saul Perlmutter on his work in the 1990s revealing how the universe’s expansion rate is accelerating. If he were still alive, Fr. Georges Lemaitre would have been thrilled at this discovery. (Not that he would have stuck his tongue out at Einstein or Fred Hoyle or anything…)