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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科学发现和最新研究正在改变我们对宇宙和生命的认知。最重要和最有趣的科学事件，从基础性的突破到应用技术。我们报道那些拓展知识边界的发现、理论和研究。