When studying local galaxy cluster Abell 3667, Anthony Englert GS, a Ph.D. candidate in physics, noticed something unique. Connecting the brightest galaxies in two small clusters within Abell 3667 was ...
Astronomers have discovered a ghostly, million-light-year-long bridge of stars connecting two massive galaxies within the Abell 3667 cluster, 700 million light-years away. This glowing thread of ...
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Webb just clocked the speed at which the most massive star clusters clear the gas clouds that build them — far faster than smaller clusters, rewriting how stars are born
For decades, astronomers assumed that all young star clusters shake off their birth clouds on roughly the same schedule. A ...
Day 3 of the 2025 Space Telescope Advent Calendar: A Galactic Cluster. More than 100 galaxies can be seen in Galaxy Cluster Abell 209, situated about 2.8 billion light-years away. Though they look ...
Galaxy clusters represent the largest gravitationally bound systems in the Universe, formed by the hierarchical assembly of dark-matter haloes and the baryonic gas that accumulates within them. The ...
A recently-discovered powerful cosmic lens, which magnifies profoundly distant objects in space. There are funhouse mirrors in space. Objects in the universe can be so massive — often clusters of ...
Star clusters arise within the densest cores of molecular clouds, where gravity drives the collapse of gas and dust to form stars nearly simultaneously. Their formation is regulated by the complex ...
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