The stars that time forgot: Remnant of an ancient 'globular cluster' that astronomers believe could be 'the last of its kind' is discovered at the edge of the Milky Way
An artist’s impression of a stream of stars left over from a globular cluster that was ripped apart by the Milky Way’s gravity. Image: Geraint F. Lewis and the S5 collaboration Astronomers h..查看文章
Globular clusters are agglomerations of very ancient stars, held together by their mutual gravitational attraction in a spherical shape about 100-200 light-years across. They contain hundred..查看文章
There are about 150 globular clusters in the Milky Way, each a ball of a million or so stars that orbit in the stellar halo. Using the Anglo-Australian Telescope in New South Wales, the rese..查看文章
Researchers analyzed the stellar stream's metallicity or its abundance of heavier elements and found that its metallicity is very low, making its origin globular cluster vastly different fro..查看文章
A team of astronomers including Carnegie's Ting Li and Alexander Ji discovered a stellar stream composed of the remnants of an ancient globular cluster that was torn apart by the Milky Way's..查看文章
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