New distances to two dwarf galaxies with unusually spread-out stars support the idea that these galaxies have little to no dark matter. The post New Distances Support Idea of Dark Matter–less Galaxies appeared first on Sky & Telescope.
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Astronomers Use AI to Investigate Quasars and Galaxies Galore
New applications of machine learning have enabled astronomers to classify 27 million galaxies and pick out a dozen rare quadruply lensed quasars. The post Astronomers Use AI to Investigate Quasars and Galaxies Galore appeared first on Sky & Telescope.
Read MoreAmateur Astronomers Reveal Long-Ago Galaxy Mergers
The images from five Brazilian amateur astronomers have captured Hubble-level details in galaxies, laying the ground for future work in understanding their histories. Want to join the fun? The post Amateur Astronomers Reveal Long-Ago Galaxy Mergers appeared first on Sky & Telescope.
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