A Quintillion-to-One: Giant Stars, Tiny Dust public.nrao.edu/news/a-quintil… через @
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科学
Galaxies are not isolated systems but grow through repeated mergers, a process often described as cosmic or galactic cannibalism. While this behavior has long been observed in massive galaxies such as the Milky Way, confirming that the same mechanism operates in much smaller
Red supergiant WOH G64 has awakened. One of the largest known red supergiants is WOH G64. Previously, it was assumed that the star, with a radius greater than 1,500 solar radii, may have entered a rare yellow hypergiant phase, a possible precursor to a supernova explosion.
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